SCI-ART LAB
Science Simplified!
JAI VIGNAN
All about Science - to remove misconceptions and encourage scientific temper
Communicating science to the common people
'To make them see the world differently through the beautiful lense of science'
Dr. Krishna Kumari Challa
Coronavirus: can herd immunity really protect us?
https://theconversation.com/coronavirus-can-herd-immunity-really-pr...
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while there may be great promise for analysing our gut microbiome to help diagnose and treat people in the future, for the moment knowing what’s in your gut is mostly a curiosity.
https://theconversation.com/should-i-test-my-gut-microbes-to-improv...
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https://www.medicalnewstoday.com/articles/what-is-the-mechanism-beh...
What is the mechanism behind high blood pressure in obesity?
Many people with obesity also develop high blood pressure, but the mechanism that leads to this remains unclear. A new study using human tissue samples and mouse models may now have found an explanation.
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New low-cost approach detects building deformations with extreme precision in real time
https://phys.org/news/2020-03-low-cost-approach-deformations-extrem...
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https://phys.org/news/2020-03-lego-bricks-survive-ocean-years.html?...
Study suggests LEGO bricks could survive in ocean for up to 1,300 years
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https://phys.org/news/2020-03-scientists-quantify-power-coastal-ero...
Scientists quantify how wave power drives coastal erosion
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https://phys.org/news/2020-03-theory-magnetar-formation.html?utm_so...
A new theory of magnetar formation
Mar 15, 2020
Dr. Krishna Kumari Challa
Scientists can now edit multiple genome fragments at a time
https://phys.org/news/2020-03-scientists-multiple-genome-fragments....
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https://phys.org/news/2020-03-scientists-blocks-life.html?utm_sourc...
Scientists have discovered the origins of the building blocks of life
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https://phys.org/news/2020-03-human-affects-interactions-seed-dispe...
Human activity affects interactions between plants and seed-dispersing birds
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https://medicalxpress.com/news/2020-03-lack-environmental-creation-...
Lack of environmental light may prevent creation of long-term memories
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https://phys.org/news/2020-03-nanostructured-rubber-like-material-o...
Nanostructured rubber-like material with optimal properties could replace human tissue
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https://phys.org/news/2020-03-cancer-cells-cluttering-disposal.html...
Selective killing of cancer cells by cluttering their waste disposal system
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https://phys.org/news/2020-03-regional-nuclear-war-global-food.html...
Even a limited India-Pakistan nuclear war would bring global famine, says study
Mar 17, 2020
Dr. Krishna Kumari Challa
Type 1 diabetes is not one but two distinct conditions, defined by diagnosis age
Children who are diagnosed with type 1 diabetes under the age of seven have a different form (or "endotype") of the condition compared with those diagnosed aged 13 or above
Type 1 diabetes occurs when the body's immune system attacks the insulin-producing cells in the pancreas, destroying them. This means they no longer regulate blood sugar levels effectively and people affected by the condition must inject insulin several times a day to do this job.
children who were diagnosed under 7 years old do not process insulin properly and the cells that make it are quickly destroyed. Surprisingly, those who are older at diagnosis (aged 13 or over) often continue to produce normal insulin; findings which reignite important questions about whether these "dormant" insulin-producing cells could be reinvigorated to work more effectively.
In their paper, the Exeter team has suggested new names for the two distinct endotypes: Type 1 Diabetes Endotype 1 (T1DE1) for that diagnosed in the youngest children, and Type 1 Diabetes Endotype 2 (T1DE2) for those who are older at diagnosis.
https://medicalxpress.com/news/2020-03-diabetes-distinct-conditions...
Mar 17, 2020
Dr. Krishna Kumari Challa
Researchers expose vulnerabilities of password managers
https://techxplore.com/news/2020-03-expose-vulnerabilities-password...
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https://phys.org/news/2020-03-shark-molecule-cholesterol-enzyme-des...
'Shark molecule' protects cholesterol enzyme from destruction
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https://phys.org/news/2020-03-rivals-offspring-greater-mutations.ht...
Love rivals risk having offspring with a greater number of harmful mutations
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https://phys.org/news/2020-03-reveals-early-evolution-cortex.html?u...
Brain evolution: New study reveals early evolution of cortex
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https://phys.org/news/2020-03-dr-jekyll-hyde-enzyme-tb.html?utm_sou...
Enzyme targeted by TB antibiotic later stops the drug destroying it
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https://phys.org/news/2020-03-kind-crispr-technology-rna-viruses.ht...
New kind of CRISPR technology to target RNA, including RNA viruses like coronavirus
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https://phys.org/news/2020-03-sensory-danger-zones-pollution-impact...
Sensory danger zones: How sensory pollution impacts animal survival
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Mar 17, 2020
Dr. Krishna Kumari Challa
What lives, what dies? The role of science in the decision to cull seals to save cod
https://theconversation.com/what-lives-what-dies-the-role-of-scienc...
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https://phys.org/news/2020-03-highly-efficient-low-cost-method-dna....
Highly efficient, low-cost method developed to reduce DNA errors
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https://phys.org/news/2020-03-unraveling-puzzle-madagascar-forest-c...
Unraveling the puzzle of Madagascar's forest cats
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https://medicalxpress.com/news/2020-03-fecal-microbiota-transplants...
Fecal microbiota transplants successfully treat patients with C. difficile
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https://medicalxpress.com/news/2020-03-personalized-blood-biopsies-...
Personalized blood biopsies may provide signal of cancer recurrence
Personalized blood biopsies, which scan patient blood samples for genetic traces of cancer, could potentially provide an earlier warning of metastatic cancer before it is picked up through standard monitoring.
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https://medicalxpress.com/news/2020-03-kids-mild-covid-symptoms-cha...
Kids get mild COVID-19 symptoms, but chance of transmission high: study
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https://medicalxpress.com/news/2020-03-babies-baby-universal.html?u...
Babies' love of baby talk is universal, study finds
Mar 17, 2020
Dr. Krishna Kumari Challa
Antibodies from COVID-19 survivors could be used to treat patients, protect those at risk
https://medicalxpress.com/news/2020-03-antibodies-covid-survivors-p...
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https://theconversation.com/coronavirus-while-pregnant-or-giving-bi...
Coronavirus while pregnant or giving birth: here’s what you need to know
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Maria Kirch was the first woman to discover a comet, but her husband took the credit
https://massivesci.com/articles/maria-kirch-comet-astronomy-margare...
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What you’re seeing right now is the past, so your brain is predicting the present
https://theconversation.com/what-youre-seeing-right-now-is-the-past...
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https://theconversation.com/how-to-flatten-the-curve-of-coronavirus...
How to flatten the curve of coronavirus the mathematics way ...
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https://www.sciencetimes.com/articles/25033/20200315/when-the-astro...
When the Astronauts Get Sick in Space, What Does NASA Do?
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https://phys.org/news/2019-07-bacteria.html
How bacteria swim against the flow
Mar 17, 2020
Dr. Krishna Kumari Challa
Call for Applications: 2020 OWSD PhD Fellowships for women scientists in developing countries
https://www.scidev.net/global/content/grants_notice.60043D5B-4B3B-4...
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https://www.zdnet.com/article/asian-scientists-to-map-blood-cell-ty...
Asian scientists to map blood cell types across five population groups
Scientists from Singapore, South Korea, and Japan will study differences in blood cells across five major Asian population groups, including Chinese, Indian, and Malay, with the aim to understand why some are more susceptible to certain diseases and develop new blood-based diagnostic tests.
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https://www.nature.com/articles/d41586-020-00769-z
Exposed: cells’ sugary secrets
Emissions of several ozone-depleting chemicals are larger than expected
https://phys.org/news/2020-03-emissions-ozone-depleting-chemicals-l...
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https://medicalxpress.com/news/2020-03-inflammation-brain-linked-de...
Inflammation in the brain linked to several forms of dementia
Mar 17, 2020
Dr. Krishna Kumari Challa
Knowing why bacteria are great upstream swimmers may prevent serious infections
https://phys.org/news/2020-03-bacteria-great-upstream-swimmers-infe...
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https://phys.org/news/2020-03-neighbors.html?utm_source=nwletter&am...
Radiation damage spreads among close neighbors
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https://phys.org/news/2020-03-semiconductors-metals-superconductors...
Semiconductors can behave like metals and even like superconductors
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https://phys.org/news/2020-03-physicists-filter-blocking-high-pitch...
Need to reduce high-pitched noises? Science may have an answer.
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https://phys.org/news/2020-03-electrons-scientists-pave-accessible-...
Seeing with electrons: scientists pave the way to more affordable and accessible cryo-EM
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https://phys.org/news/2020-03-qubits-room-temperature.html?utm_sour...
Qubits that operate at room temperature
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https://theconversation.com/how-changes-brought-on-by-coronavirus-c...
How changes brought on by coronavirus could help tackle climate change
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https://techxplore.com/news/2020-03-d-printers-coronavirus-victims....
3-D printers saving the lives of coronavirus victims
Mar 18, 2020
Dr. Krishna Kumari Challa
Why people delay software updates, despite the risks
https://techxplore.com/news/2020-03-people-software.html?utm_source...
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https://theconversation.com/not-all-young-people-are-digital-native...
Not all young people are ‘digital natives’ – inequality hugely limits experiences of technology
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https://phys.org/news/2020-03-bacterial-enzyme-antibiotics.html?utm...
Bacterial enzyme could become a new target for antibiotics
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https://phys.org/news/2020-03-blocking-sugar-viruses-tumor-cells.ht...
Blocking sugar structures on viruses and tumour cells to stop illnesses
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https://medicalxpress.com/news/2020-03-death-falls.html?utm_source=...
Risk of death from stroke falls by 24%, thanks to medical science. Our evidence to show that science works efficiently.
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https://medicalxpress.com/news/2020-03-protein-fat-metabolism.html?...
Protein controls fat metabolism
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https://medicalxpress.com/news/2020-03-covid-coronavirus-epidemic-n...
The COVID-19 coronavirus epidemic has a natural origin, scientists say
The novel SARS-CoV-2 coronavirus that emerged in the city of Wuhan, China, last year and has since caused a large scale COVID-19 epidemic is the product of natural evolution, according to findings published in the journal Nature Medicine.
Mar 18, 2020
Dr. Krishna Kumari Challa
Why gloves and masks are not stopping the corona virus ... because people, still don't have full knowledge about how to fully stop the spread ... according to experts ... we knew this would be the case ...
Wearing masks and gloves as a precaution against coronavirus is ineffective, unnecessary for the vast majority of people, and may even spread infections faster.
wash your hands, don't touch your face, and keep your distance.
The WHO says it is advisable to wear a protective mask in public if you suspect you are infected or someone you are caring for is, in which case the advice is to stay home whenever possible.
"There are limits to how a mask can protect you from being infected and we've said the most important thing everyone can do is wash your hands, keep your hands away from your face, observe very precise hygiene," said WHO's emergencies director Mike Ryan.
experts say masks can give people who wear them a false sense of security.
For example, many people who wear them don't follow the official advice of washing their hands thoroughly first, ensuring it's air tight and not to touch it once it's on.
"People are always readjusting their masks and that has the potential to contaminate them.
"If someone has come across the virus, it's surely going to be on the mask."
Gloves, similarly, don't greatly heighten protection and could even end up making you sick.
"If people cannot stop touching their face, gloves will not serve a purpose.
One 2015 study in the American Journal of Infection Control found that people touch their face on average 20 times an hour.
The novel coronavirus is transmitted via skin contact, transferring infected globules of mucus via the ears, eyes or nose.
"Gloves are not a substitute for washing your hands. "If you're wearing gloves you're not washing your hands."
https://medicalxpress.com/news/2020-03-masks-gloves-dont-coronaviru...
Mar 18, 2020
Dr. Krishna Kumari Challa
9 things you can do every day to limit your exposure to coronavirus
1. Wash your hands at every opportunity with soap and warm water for the recommended 20 seconds. I have observed that most people simply rinse their hands for a few seconds in restrooms, which is not effective in removing viruses. Twenty seconds is the minimum.
2. Avoid handling money. That dollar bill that you get for change could have been in the hands of an infected person just moments before it is placed in your hand. Use credit cards for everything possible, even a cup of coffee.
3. When a signature is required, carry your own pen and never use the same pen that others have already used. Use only the back of your fingernail to scribble a signature on a pad.
4. Use your left hand (if right handed) to open doors and avoid using door knobs entirely whenever possible.
5. Use only a knuckle to push an elevator button and other common push devices. Your little finger knuckle is least likely to be used on your face.
6. Avoid using hand rails unless you are falling. It is common to see people sliding their hand along the rail as they use the steps. Think about how many people have coughed or sneezed before using that same railing.
7. Carry and use a hand sanitizer liberally when in meetings and public places, avoid sharing papers and objects that others have touched.
8. Hold your breath immediately if someone around you sneezes or coughs and then distance yourself by 6 feet.
9. If someone behind you in a line sneezes or coughs, let them in front of you.
These are common sense precautions that you can adopt immediately and make habitual so they happen without thinking about it. Combined with social distancing precautions recommended by experts, these personal precautions can add an important additional layer of protection.
https://medicalxpress.com/news/2020-03-day-limit-exposure-coronavir...
Mar 18, 2020
Dr. Krishna Kumari Challa
Injury to the nose increases risk of bacteria entering the brain
https://medicalxpress.com/news/2020-03-injury-nose-bacteria-brain.h...
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https://medicalxpress.com/news/2020-03-india-stringent-virus-criter...
India is not doing enough to stop the corona virus spread, according to experts
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https://medicalxpress.com/news/2020-03-weak-cancer-cells.html?utm_s...
Finding the weak points of cancer cells to control it
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https://www.nature.com/articles/d41586-020-00154-w?utm_source=Natur...
Coronavirus latest: First vaccine clinical trials begin in United States
Severe brain injuries: technology can tell what patients are thinking – here’s what to consider before using it
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https://theconversation.com/meet-the-meat-eating-ducks-of-south-geo...
Meet the meat-eating ducks
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Mar 18, 2020
Dr. Krishna Kumari Challa
How to prepare hand sanitisers at home:
Combine in a bowl,
2/3 cups rubbing alcohol (99.9% isopropyl alcohol)
1/3 cup aloe vera gel
Stir. Decant into a soap or pump bottle
Give it a good shake every now and then.
Aloe vera is a moisturiser that will stop your skin drying out. That’s useful, since cracks in the skin can increase the risk of bacterial infection. The main active ingredient in this sanitiser is the isopropyl alcohol (isopropanol). Most commercial hand sanitisers contain either ethanol, isopropanol, n-propanol or a combination of any two.
Mixtures of 60%-80% alcohol by volume kill microorganisms, so the 66% alcohol concentration in the recipe looks about right if pure rubbing alcohol (also known as “surgical spirits”) is used.
Mixing even the 70% solution with the aloe vera will make the final alcohol concentration too low to be useful.
Although it’s hard to get hold of, pure ethanol could be used in the recipe instead of isopropanol. Ethanol is the alcohol found in spirits, and another homemade sanitiser.
Studies have shown that higher alcohol concentrations work better, and we know that the WHO 75% isopropanol or 80% ethanol formulations can kill other coronaviruses. The homemade products may not be strong enough to inactivate the virus quite as effectively as the WHO formulation. On the other hand, some commercial hand sanitisers contain as little as 57% alcohol, so these homemade products would be better than that.
WHO-recommended concentration:
Three-quarters of a cup of isopropanol and a quarter of a cup of aloe vera gel. You could even substitute glycerol for the aloe vera gel.
https://theconversation.com/homemade-hand-sanitiser-recipes-that-co...
Mar 18, 2020
Dr. Krishna Kumari Challa
Here is a list of 72 Covid-19 testing centers in India
Indian Council of Medical Research has given out a list on its official website of all testing centers of Covid-19.
https://www.indiatoday.in/information/story/list-of-covid-19-testin...
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*https://news.yale.edu/2020/03/17/deadlier-colon-cancer-develops-dif...
Deadlier colon cancer develops differently in women and men
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https://www.asianscientist.com/2020/03/in-the-lab/kondo-screening-c...
Elusive Kondo Cloud Seen For The First Time An international team of scientists has observed Kondo clouds, a physical phenomenon first predicted nearly 90 years ago.
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https://www.the-scientist.com/image-of-the-day/image-of-the-day-sco...
Scorpion Venom for Arthritis: A mouse model of rheumatoid arthritis reveals that a tiny protein in scorpion venom can deliver steroids to affected joints.
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Study unveils gapless ground state in an archetypal quantum kagome
https://phys.org/news/2020-03-unveils-gapless-ground-state-archetyp...
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Mar 18, 2020
Dr. Krishna Kumari Challa
One of Darwin's evolution theories finally proved by Cambridge researcher
https://phys.org/news/2020-03-darwin-evolution-theories-cambridge.h...
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Ancient fish fossil reveals evolutionary origin of the human hand
https://phys.org/news/2020-03-ancient-fish-fossil-reveals-evolution...
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Mathematicians develop new theory to explain real-world randomness
https://phys.org/news/2020-03-mathematicians-theory-real-world-rand...
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https://phys.org/news/2020-03-wonderchicken-fossil-age-dinosaurs-re...
'Wonderchicken' fossil from the age of dinosaurs reveals origin of modern birds
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https://phys.org/news/2020-03-evolution-loners-behaviorat-slime-mol...
Evolution selects for 'loners' that hang back from collective behavior—at least in slime molds
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https://techxplore.com/news/2020-03-stanford-shape-changing-free-ro...
Engineers create shape-changing, free-roaming soft robot
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https://phys.org/news/2020-03-unmasking-hidden-killer-successfully-...
Unmasking a hidden killer: Successfully detecting cancer in blood of patients undergoing treatment
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https://phys.org/news/2020-03-imitation-game-scientists-emulate-qua...
Scientists describe and emulate new quantum state of entangled photons
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https://phys.org/news/2020-03-frozen-planet-states-exotic-helium-at...
Frozen-planet states in exotic helium atoms
Mar 19, 2020
Dr. Krishna Kumari Challa
Comparisons of organic and conventional agriculture need improvement, say researchers
https://phys.org/news/2020-03-comparisons-conventional-agriculture....
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https://phys.org/news/2020-03-team-path-razor-sharp-black-hole.html...
Research team discovers path to razor-sharp black hole images
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https://techxplore.com/news/2020-03-virus-threat-surge-covid-themed...
The other virus threat: Surge in COVID-themed cyberattacks
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https://techxplore.com/news/2020-03-cyber-hygiene-email-safe-virtua...
Cyber hygiene keeps your email safe from virtual viruses
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https://phys.org/news/2020-03-maggot-analysis-molecular-forensic-ca...
Maggot analysis goes molecular for forensic cases
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https://phys.org/news/2020-03-fatal-small-carnivores-drawn-sites.ht...
'Fatal attraction': Small carnivores drawn to kill sites, then ambushed by larger kin
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https://medicalxpress.com/news/2020-03-covid-mortality-outbreak-epi...
COVID-19 mortality was 1.4% in outbreak epicentre: study
Mar 19, 2020
Dr. Krishna Kumari Challa
Bacteria play 'rummy' with genes, biologist shows
https://phys.org/news/2020-03-bacteria-rummy-genes-biologist.html?u...
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https://phys.org/news/2020-03-birds-canaries-climate-change-coal.ht...
Birds are the 'canaries in the climate-change coal mine'
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https://phys.org/news/2020-03-whered-genes-individual-growth-vary.h...
Individual growth can vary wildly when populations interbreed
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https://phys.org/news/2020-03-bacteria-problems-genetic.html?utm_so...
How Bacteria are creating problems for genetic research
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https://medicalxpress.com/news/2020-03-link-psychosis-omission-chem...
Researchers link psychosis to the omission of chemical rewards in mouse brains
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https://medicalxpress.com/news/2020-03-blood-platelets-trigger-even...
Blood platelets trigger events that cause organ damage after heart surgery
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* Could disease pathogens be the dark matter behind Alzheimer's disease?
https://medicalxpress.com/news/2020-03-disease-pathogens-dark-alzhe...
* Where you live may influence your baby's behavior
https://medicalxpress.com/news/2020-03-baby-behavior.html?utm_sourc...
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Scorpion venom shows promise for treating fetal alcohol spectrum disorder
https://medicalxpress.com/news/2020-03-scorpion-venom-fetal-alcohol...
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*High levels of iron in the lung linked to increased asthma severity
https://medicalxpress.com/news/2020-03-high-iron-lung-linked-asthma...
Mar 19, 2020
Dr. Krishna Kumari Challa
How to crowd fund your research
https://www.natureindex.com/news-blog/how-to-crowdfund-your-researc...
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*Termite mounds are helping mineral explorers find hidden metals below
https://blog.csiro.au/heavy-metals-rock-termite-mounds/?utm_source=...
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https://www.ehn.org/is-bpa-free-plastic-safe-2645509688.html
BPA and babies: Controversial chemical and substitutes pollute the womb
Babies are being exposed to "totally unacceptable concentrations"
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https://phys.org/news/2020-03-terahertz-quantum.html?utm_source=nwl...
Researchers demonstrate first terahertz quantum sensing
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A warning to those who eat raw sea food: 'Sushi parasites' have increased 283-fold in past 40 years
https://phys.org/news/2020-03-sushi-parasites-fold-years.html?utm_s...
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https://phys.org/news/2020-03-molecules-self-assemble-superstructur...
How molecules self-assemble into superstructures
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https://phys.org/news/2020-03-carbon-tropical-forests-absorb.html?u...
Shedding light on how much carbon tropical forests can absorb
Mar 19, 2020
Dr. Krishna Kumari Challa
Opening plastic bags and bottles may generate microplastics
Opening plastic bags and bottles may generate microplastics: everyday activities such as opening plastic bags and bottles, wrappers could be additional sources of small quantities of microplastics in the environment.
https://phys.org/news/2020-03-plastic-bags-bottles-microplastics.ht...
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https://phys.org/news/2020-03-cosmic-clocks-reveal-evolution-stars....
Ticking cosmic clocks reveal the evolution of stars over millions of years
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https://phys.org/news/2020-03-dark-massive-galaxies.html?utm_source...
Dark matter and massive galaxies
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https://techxplore.com/news/2020-03-drone-dodgeballand.html?utm_sou...
Drone that can play dodgeball—and win
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How humans are teaching AI to become better at second-guessing
https://techxplore.com/news/2020-03-humans-ai-second-guessing.html?...
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https://phys.org/news/2020-03-coronavirus-kits-rna-imaging-technolo...
Coronavirus testing kits to be developed using new RNA imaging technology
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Study investigates evolution during Cambrian Explosion
Scientists have argued that features defining animal body plans have become increasingly elaborate through time such that they become burdened by their own complexity. This burden could prevent change and would explain the lack of new phyla since the Cambrian Explosion.
https://phys.org/news/2020-03-evolution-cambrian-explosion.html?utm...
Mar 20, 2020
Dr. Krishna Kumari Challa
Scientists program cells to carry out gene-guided construction projects
https://phys.org/news/2020-03-scientists-cells-gene-guided.html?utm...
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https://phys.org/news/2020-03-belly-fat.html?utm_source=nwletter&am...
Removing belly fat before it sticks to you. Yes, researchers are trying to do this and help you!
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* https://phys.org/news/2020-03-visualizing-differences-rna-biology-c...
Visualizing differences in RNA biology between single cells
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https://medicalxpress.com/news/2020-03-sugar-early-death-due-obesit...
Sugar leads to early death, but not due to obesity
The findings, published in the journal Cell Metabolism, instead suggest that early death from excess sugar is related to the build-up of a natural waste product, uric acid.
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https://medicalxpress.com/news/2020-03-key-memory.html?utm_source=n...
Researchers find key to keep working memory working
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https://medicalxpress.com/news/2020-03-parental-diet-affects-sperm-...
Parental diet affects sperm and health of future offspring
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Gene editing toolkit allows scientists to simultaneously create various strains of malaria
https://medicalxpress.com/news/2020-03-gene-toolkit-scientists-simu...
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https://medicalxpress.com/news/2020-03-method-airborne-pathogens.ht...
Researchers propose new method for treating airborne pathogens
Mar 20, 2020
Dr. Krishna Kumari Challa
Speedy antibiotic susceptibility tests for high-priority pathogens
https://medicalxpress.com/news/2020-03-speedy-antibiotic-susceptibi...
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High-speed microscope captures fleeting brain signals
https://medicalxpress.com/news/2020-03-high-speed-microscope-captur...
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https://medicalxpress.com/news/2020-03-reveals-skin-cells-wounds.ht...
New study reveals how skin cells prepare to heal wounds
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https://medicalxpress.com/news/2020-03-media-celebrity-suicide-link...
Media reports of celebrity suicide linked to increased suicide rates
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* New research shows promise to treat female group A streptococcus genital tract infections
https://medicalxpress.com/news/2020-03-female-group-streptococcus-g...
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https://medicalxpress.com/news/2020-03-youth-fever-coronavirus-invi...
Youth warned against 'fever dream' of coronavirus invincibility
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https://www.nature.com/articles/d41586-020-00798-8?utm_source=Natur...
Coronavirus vaccines: five key questions as trials begin
Mar 20, 2020
Dr. Krishna Kumari Challa
*Coronavirus: why should we stay 1.5 metres away from each other?
https://theconversation.com/coronavirus-why-should-we-stay-1-5-metr...
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Stopping coronavirus – what does the evidence say are the best measures?
https://theconversation.com/stopping-coronavirus-what-does-the-evid...
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https://theconversation.com/coronavirus-how-to-keep-your-gut-microb...
Coronavirus: how to keep your gut microbiome healthy to fight COVID-19
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New study finds immune cells can defend against multiple viruses
https://medicalxpress.com/news/2020-03-immune-cells-defend-multiple...
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https://techxplore.com/news/2020-03-machine-coronavirus-treatments....
Researchers use machine learning to discover coronavirus treatments
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Can the coronavirus really live for 3 days on plastic? What matters is how much virus is there to begin with. The more viruses deposited on a surface, the greater the amount that will be left when half of them have decayed.
https://medicalxpress.com/news/2020-03-coronavirus-days-plastic-com...
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Asia deploys innovative, if invasive, tech to curb coronavirus
https://medicalxpress.com/news/2020-03-asia-deploys-invasive-tech-c...
Mar 20, 2020
Dr. Krishna Kumari Challa
How oceans and atmospheres move heat around on Earth and other planetary bodies
https://phys.org/news/2020-03-oceans-atmospheres-earth-planetary-bo...
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A previously unknown significant source of carbon just discovered in the Arctic has scientists marveling at a once overlooked contributor to local coastal ecosystems
https://phys.org/news/2020-03-hidden-source-carbon-arctic-coast.htm...
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https://phys.org/news/2020-03-geologists-lost-fragment-ancient-cont...
Geologists find lost fragment of ancient continent in Canada's North
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https://phys.org/news/2020-03-darkness-cold-responsible-dinosaur-ki...
Darkness, not cold, likely responsible for dinosaur-killing extinction
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The battle against disinformation is global
https://theconversation.com/the-battle-against-disinformation-is-gl...
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Mar 21, 2020
Dr. Krishna Kumari Challa
Home internet jammed up? Try these steps before upgrading
https://techxplore.com/news/2020-03-home-internet.html?utm_source=n...
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https://phys.org/news/2020-03-device-disease-housing-cells.html?utm...
Device could 'hear' disease through structures housing cells
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https://phys.org/news/2020-03-scientists-approach-atoms.html?utm_so...
Scientists propose new approach to measuring atoms
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https://phys.org/news/2020-03-pressure-lessons-cradle-life.html?utm...
Living under pressure: Lessons from the cradle of life
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Mar 21, 2020
Dr. Krishna Kumari Challa
First supercentenarian-derived stem cells created
( people who live more than 110 years are supercentenarians)
https://phys.org/news/2020-03-supercentenarian-derived-stem-cells.h...
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How the brain controls the voice
https://phys.org/news/2020-03-brain-voice.html?utm_source=nwletter&...
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Female toads seek a good man to mate — even if he's another species. It is the first time that such cross-species sexual selection has been observed in animals, according tot eh researchers.
https://phys.org/news/2020-03-female-toads-good-maneven-species.htm...
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Epigenetic inheritance: A 'silver bullet' against climate change?
https://phys.org/news/2020-03-epigenetic-inheritance-silver-bullet-...
Mar 21, 2020
Dr. Krishna Kumari Challa
Novel bacterial acid tolerance system sheds light on development of antimicrobials
https://phys.org/news/2020-03-bacterial-acid-tolerance-antimicrobia...
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https://medicalxpress.com/news/2020-03-microbiome-involved-cancer.h...
How the microbiome is involved in the development of cancer
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https://medicalxpress.com/news/2020-03-scientists-early-diabetes-mi...
Scientists discover an early sign of type 2 diabetes: Misfolded proinsulin
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https://medicalxpress.com/news/2020-03-neurodegenerative-disorder-d...
Discovered: New neurodegenerative disorder
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https://medicalxpress.com/news/2020-03-genetic-cerebral-cortex-coll...
First genetic map of the cerebral cortex produced in collaborative effort
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Aging monocytes produce less energy, carry more inflammation markers
https://medicalxpress.com/news/2020-03-aging-monocytes-energy-infla...
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https://theconversation.com/coronavirus-south-koreas-success-in-con...
Coronavirus: South Korea’s success in controlling disease is due to its acceptance of surveillance
Mar 21, 2020
Dr. Krishna Kumari Challa
The long-term negative effects of bullying
https://medicalxpress.com/news/2020-03-long-term-negative-effects-b...
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https://www.quantamagazine.org/what-is-the-geometry-of-the-universe...
What Is the Geometry of the Universe?
How the Universe’s carbon came to be
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Greenhouse gas emissions show sharp decline due to pandemic
https://www.advancedsciencenews.com/greenhouse-gas-emissions-show-s...
Mar 21, 2020
Dr. Krishna Kumari Challa
What does it mean to self-quarantine?
https://medicalxpress.com/news/2020-03-self-quarantine.html?utm_sou...
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https://www.theatlantic.com/science/archive/2020/03/biography-new-c...
Why the Coronavirus Has Been So Successful
We’ve known about SARS-CoV-2 for only three months, but scientists can make some educated guesses about where it came from and why it’s behaving in such an extreme way.
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https://www.kob.com/national-news/in-pandemic-word-definitions-shif...
Sci-com: In pandemic, word definitions shift and new lexicon emerges. And people are learning new scientific words!
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https://www.sciencedaily.com/releases/2020/03/200320192758.htm
A pigment from ancient Egypt to modern microscopy
New nanosheets for near infrared imaging
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https://www.sciencealert.com/doctors-have-mapped-how-our-immune-sys...
Doctors Have Now Mapped How Our Immune System Fights COVID-19
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Coronavirus Vaccines: Five Key Questions as Trials Begin
https://www.scientificamerican.com/article/coronavirus-vaccines-fiv...
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https://theconversation.com/frozen-canned-or-fermented-when-you-can...
Frozen, canned or fermented: when you can’t shop often for fresh vegetables, what are the best alternatives?
Mar 21, 2020
Dr. Krishna Kumari Challa
Scientists May Have Discovered The Shape of The Very First Proteins That Started Life
https://www.sciencealert.com/scientists-might-have-discovered-the-s...
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The Largest Mass Migration on The Planet Happens Every Single Day, And We Never See It
https://www.sciencealert.com/the-largest-mass-migration-on-the-plan...
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https://www.sciencenews.org/article/coronavirus-covid-19-why-some-h...
Why some heart patients may be especially vulnerable to COVID-19
People with hypertension and cardiovascular disease risk severe bouts of the disease
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Virus rebels: People who refuse to follow what scientists advice are a threat to the societies we live in. Can anybody instill some sense into these mutineers?
https://medicalxpress.com/news/2020-03-virus-rebels-france-florida-...
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https://theconversation.com/coronavirus-how-long-does-it-take-to-ge...
Coronavirus: how long does it take to get sick? How infectious is it? Will you always have a fever? COVID-19 basics explained
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https://theconversation.com/why-dogs-dont-care-for-being-groomed-an...
Why dogs don’t care for being groomed (and for the love of dog don’t snip their whiskers)
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https://www.sciencealert.com/new-study-gives-us-a-better-idea-of-ho...
The Diversity of Tropical Forest Carbon Sinks Is More Complicated Than We Thought
Mar 22, 2020
Dr. Krishna Kumari Challa
Mar 23, 2020
Dr. Krishna Kumari Challa
WHO launches global megatrial of the four most promising coronavirus treatments
https://www.sciencemag.org/news/2020/03/who-launches-global-megatri...
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https://phys.org/news/2020-03-chapter-antibody-mimetics.html?utm_so...
*Opening a new chapter in antibody mimetics
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https://phys.org/news/2020-03-graphite-nanoplatelets-medical-device...
Graphite nanoplatelets on medical devices kill bacteria and prevent infections
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* https://phys.org/news/2020-03-evidence-broken-time-reversal-symmetr...
Evidence for broken time-reversal symmetry in a topological superconductor
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https://phys.org/news/2020-03-christmas-island-discovery-redraws-li...
Christmas Island discovery redraws map of life
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https://phys.org/news/2020-03-burgers-asia-alternative-meats.html?u...
Asia puts twist on alternative meats
Dumplings made with tropical fruit, plant-based burger, fake pork made from jackfruit: Asia puts twist on alternative meats
Mar 23, 2020
Dr. Krishna Kumari Challa
WHO launches global megatrial of the four most promising coronavirus treatments
https://www.sciencemag.org/news/2020/03/who-launches-global-megatri...
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Scientists create quantum sensor that covers entire radio frequency spectrum
https://phys.org/news/2020-03-scientists-quantum-sensor-entire-radi...
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https://phys.org/news/2020-03-link-quantum-internet.html?utm_source...
Researchers demonstrate the missing link for a quantum internet
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https://phys.org/news/2020-03-concrete-solutions-emissions-air-poll...
Concrete solutions that lower both emissions and air pollution
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https://phys.org/news/2020-03-growth-pattern.html?utm_source=nwlett...
The growth of an organism rides on a pattern of waves
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https://phys.org/news/2020-03-skulls-wild-frogs-evolved-extreme.htm...
Skulls gone wild: How and why some frogs evolved extreme heads
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https://phys.org/news/2020-03-ancestor-animals-australian-fossils.h...
Ancestor of all animals identified in Australian fossils
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https://phys.org/news/2020-03-older-adults-physically-capable-longe...
New research may help older adults stay physically capable for longer
Mar 23, 2020
Dr. Krishna Kumari Challa
Scientists can see the bias in your brain
https://medicalxpress.com/news/2020-03-scientists-bias-brain.html
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https://phys.org/news/2020-03-symmetry-laws-physics.html?utm_source...
Time symmetry and the laws of physics: If three or more objects move around each other, history cannot be reversed. Physicists now show that only three particles are enough to break the time symmetry.
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https://phys.org/news/2020-03-device-quickly-bacteria-blood.html?ut...
Engineers have created a tiny device that can rapidly detect harmful bacteria in blood, allowing health care professionals to pinpoint the cause of potentially deadly infections and fight them with drugs.
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https://phys.org/news/2020-03-vibes-defensive-behaviour-false-coral...
* Vibes before it bites: 10 types of defensive behaviour for the false coral snake
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https://medicalxpress.com/news/2020-03-genome-uncovering-clues-long...
It's in the genome: Uncovering clues to longevity from human genetics
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https://medicalxpress.com/news/2020-03-interactions-cancer-cells-fi...
Interactions between cancer cells and fibroblasts promote metastasis
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*The coronavirus isn’t alive. That’s why it’s so hard to kill.
The science behind what makes this coronavirus so sneaky, deadly and difficult to defeat
https://www.washingtonpost.com/health/2020/03/23/coronavirus-isnt-a...
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https://www.euroscientist.com/a-reflection-on-current-academia-real...
*
A REFLECTION ON CURRENT ACADEMIA REALITY: IS IT GAINING RELIGIOUS FEATURES?
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https://www.sciencealert.com/mild-covid-19-might-cause-a-lost-of-sm...
Sudden Loss of Smell Could Indicate 'Hidden Carriers' of Coronavirus, Say UK Experts
Mar 24, 2020
Dr. Krishna Kumari Challa
Grey white-eyes (Zosterops borbonicus) living on Reunion, a small volcanic island in the Mascarene archipelago, have evolved into five distinct color variants associated with separate geographical territories located only 10 kilometers apart, according to a study published on February 27 in Molecular Ecology.
Researchers found that both natural selection occurring from separate physical environments and sexual selection driven by a preference for a mate that looks the same have pushed the birds’ colors apart.
https://www.the-scientist.com/image-of-the-day/image-of-the-day-plu...
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https://techxplore.com/news/2020-03-microsoft-windows-vulnerability...
Microsoft reported a "critical" security vulnerability Monday that could affect millions of Windows users. The critical label is the highest severity rating issued to potential threats.
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https://techxplore.com/news/2020-03-story-padlock-browser.html?utm_...
The story behind that little padlock in your browser
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https://theconversation.com/buildings-grown-by-bacteria-new-researc...
Buildings grown by bacteria – new research is finding ways to turn cells into mini-factories for materials
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https://phys.org/news/2020-03-world-ultrasound-biosensor-australia....
World's first ultrasound biosensor created
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https://phys.org/news/2020-03-eye-on-a-chip.html?utm_source=nwlette...
Eye blinking on-a-chip
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https://techxplore.com/news/2020-03-early-disinformation-online.htm...
Researchers develop early warning system to fight disinformation online
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Mar 24, 2020
Dr. Krishna Kumari Challa
Old human cells rejuvenated with stem cell technology, research finds
https://medicalxpress.com/news/2020-03-human-cells-rejuvenated-stem...
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https://medicalxpress.com/news/2020-03-stroke-when-the-system-fails...
Stroke: When the system fails for the second time
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https://phys.org/news/2020-03-scientists-symmetry-breaking-nanoscal...
Scientists invent symmetry-breaking for the first time in a nanoscale device that can mimic human brain
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* Global carbon capture potential for rare nanoparticle
https://phys.org/news/2020-03-global-carbon-capture-potential-rare....
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https://phys.org/news/2020-03-jets-bacteria-microscopic-cargo.html?...
Jets of bacteria carry microscopic cargo
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https://phys.org/news/2020-03-scientists-superconductivity-meteorit...
Scientists observe superconductivity in meteorites
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https://phys.org/news/2020-03-internal-temperature-optically-lumine...
Sensing internal organ temperature with optically stimulated luminescence
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https://phys.org/news/2020-03-ships-emissions-regional-clouds.html?...
Ships' emissions create measurable regional change in clouds
Mar 25, 2020
Dr. Krishna Kumari Challa
*Images reveal how bacteria form communities on the human tongue
https://phys.org/news/2020-03-images-reveal-bacteria-human-tongue.h...
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https://phys.org/news/2020-03-dna-riddle-unravelled-cells-access.ht...
DNA riddle unravelled: How cells access data from 'genetic cotton reels'
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https://phys.org/news/2020-03-scientists-reveal-proteins-team-dna.h...
Scientists reveal how proteins team up to repair DNA
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*'But you don't look sick': How invisible illnesses like autoimmune disorders impact patient experience
https://medicalxpress.com/news/2020-03-dont-sick-invisible-illnesse...
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https://medicalxpress.com/news/2020-03-scientists-block-cancer-caus...
Scientists find new way to block cancer-causing HPV virus
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https://www.the-scientist.com/features/genes-that-escape-silencing-...
Genes that Escape Silencing on the Second X Chromosome May Drive Disease
When X-linked genes evade silencing on the “inactive” chromosome in XX cells, some protect women from diseases such as cancer, but others seem to promote conditions such as autoimmunity.
Mar 25, 2020
Dr. Krishna Kumari Challa
Data analysis shows nonhuman female mammals also live longer than males
Scientists have known for many years that in humans, females tend to live longer than males. The reason is still up for debate. Some suggest it is because women have two copies of the same chromosome; others believe it is because men live riskier lives; others yet argue that it is due to age-associated diseases. Whatever the reason, prior research has shown that with humans, there is a 7.8 percent gap in longevity. In this new effort, the researchers have found evidence indicating that the same is true for most other mammals.
https://phys.org/news/2020-03-analysis-nonhuman-female-mammals-long...
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https://medicalxpress.com/news/2020-03-body-ownership-sum.html?utm_...
Whole body ownership is not just the sum of each part of the body
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* https://medicalxpress.com/news/2020-03-antibodies-brain-trigger-epi...
Antibodies in the brain trigger epilepsy
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Can I get coronavirus from mail or package deliveries? Should I disinfect my phone?
https://theconversation.com/can-i-get-coronavirus-from-mail-or-pack...
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https://phys.org/news/2020-03-whiskey-webs-coffee-effect.html?utm_s...
'Whiskey webs' are the new 'coffee ring effect'
Mar 25, 2020
Dr. Krishna Kumari Challa
One Root Cause of Pandemics Few People Think About: It’s our seemingly insatiable desire to eat meat
https://blogs.scientificamerican.com/observations/one-root-cause-of...
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https://phys.org/news/2020-03-trans-fats-cell-death.html?utm_source...
How trans fats assist cell death
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https://medicalxpress.com/news/2020-03-posture.html?utm_source=nwle...
*Improve balance by lightening up about posture
Your parents told you to sit up straight. Your fitness trainer tells you to engage your core. Turns out it might be bad advice—and it could inadvertently increase the risk of falls in older adults.
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https://medicalxpress.com/news/2020-03-salt-weakens-immune.html?utm...
*Too much salt weakens the immune system
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https://medicalxpress.com/news/2020-03-toll-mental-health.html?utm_...
*Heat takes its toll on mental health
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https://medicalxpress.com/news/2020-03-factors-pregnancy-children-p...
Thirty risk factors found during and after pregnancy for children developing psychosis
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https://medicalxpress.com/news/2020-03-temperature.html?utm_source=...
How to take temperature in the right manner
Mar 25, 2020
Dr. Krishna Kumari Challa
Researchers discover giant cavity in key tuberculosis molecule
https://phys.org/news/2020-03-giant-cavity-key-tuberculosis-molecul...
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https://phys.org/news/2020-03-big-brains-babies-birds-urban.html?ut...
Big brains or many babies: How birds can thrive in urban environments
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https://medicalxpress.com/news/2020-03-teeth-archive-life.html?utm_...
Teeth serve as 'archive of life,' new research finds
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https://medicalxpress.com/news/2020-03-immune-possibilities-antican...
Brake on immune activity identified, raising new possibilities for anticancer therapy
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https://phys.org/news/2020-03-nonlocality-inherent-identical-partic...
Is nonlocality inherent in all identical particles in the universe?
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https://phys.org/news/2020-03-underwater-avalanches-microplastics-d...
Underwater avalanches are trapping microplastics in the deep ocean
Mar 26, 2020
Dr. Krishna Kumari Challa
Health researchers find solution to life-threatening side effect
https://medicalxpress.com/news/2020-03-health-solution-life-threate...
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* https://medicalxpress.com/news/2020-03-analysis-purified-fish-oil-t...
Analysis predicts purified fish oil could prevent thousands of cardiovascular events
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*
https://theconversation.com/coronavirus-might-cause-loss-of-smell-o...
Coronavirus might cause loss of smell, or anosmia. But it probably won’t be permanent
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https://theconversation.com/like-a-key-to-a-lock-how-seeing-the-mol...
‘Like a key to a lock’: how seeing the molecular machinery of the coronavirus will help scientists design a treatment
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https://theconversation.com/uncertain-many-questions-but-no-clear-a...
Uncertain in present times? Many questions but no clear answers? Welcome to the mind of a scientist
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Mar 26, 2020
Dr. Krishna Kumari Challa
Coronavirus: what makes some people act selfishly while others are more responsible?
https://theconversation.com/coronavirus-what-makes-some-people-act-...
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https://www.businessinsider.in/science/news/4-astronauts-reveal-the...
Scared of lockdown? Astronauts reveal their secrets to surviving months of isolation ... follow them to tide over the crisis efficiently ...
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https://www.scientificamerican.com/article/how-blood-from-coronavir...
How Blood from Coronavirus Survivors Might Save Lives
New York City researchers hope antibody-rich plasma can keep people out of intensive care
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https://phys.org/news/2020-03-earth-largest-extinction-die-offs-beg...
In Earth's largest extinction, land die-offs began long before ocean turnover
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https://phys.org/news/2020-03-quantum-effect-triggers-unusual-mater...
Quantum effect triggers unusual material expansion
You know how you leave space in a water bottle before you pop it in the freezer—to accommodate the fact that water expands as it freezes? Most metal parts in airplanes face the more common opposite problem. At high altitudes (low temperatures) they shrink. To keep such shrinkage from causing major disasters, engineers make airplanes out of composites or alloys, mixing materials that have opposite expansion properties to balance one another out.
Mar 26, 2020
Dr. Krishna Kumari Challa
Great Barrier Reef suffers mass coral bleaching event
https://phys.org/news/2020-03-great-barrier-reef-mass-coral.html?ut...
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https://medicalxpress.com/news/2020-03-lipid-eye-frontline.html?utm...
Lipid helps heal the eye's frontline protection
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https://phys.org/news/2020-03-earth-evolution-exoplanets.html?utm_s...
Earth's own evolution used as guide to hunt exoplanets
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https://techxplore.com/news/2020-03-hypothetical-spring-loaded-huma...
Hypothetical spring-loaded human exoskeleton could double running speed
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https://medicalxpress.com/news/2020-03-scientists-coronavirus-websi...
Scientists answer coronavirus questions on new website
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https://techxplore.com/news/2020-03-pandemic-drone-people-coronavir...
'Pandemic drone' in development to detect people with coronavirus
Mar 27, 2020
Dr. Krishna Kumari Challa
As the ocean warms, marine species relocate toward the poles: study
https://phys.org/news/2020-03-global-marine-species-oceans.html?utm...
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https://phys.org/news/2020-03-cellular-biology-good.html?utm_source...
In cellular biology, some mistakes can be good too
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https://phys.org/news/2020-03-left-mechanism-triggering-cell-death....
A left turn that kills: New mechanism triggering cell death and inflammation
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https://medicalxpress.com/news/2020-03-deleting-gene-diabetes-mice-...
Deleting a gene prevents Type 1 diabetes in mice by disguising insulin-producing cells
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https://medicalxpress.com/news/2020-03-legal-marijuana-products-str...
Study shows legal marijuana products too strong for pain relief
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Mar 27, 2020
Dr. Krishna Kumari Challa
The largest meta-analysis study establishes how cognitive intelligence is a whole brain phenomenon. The results from this study indicate that efficient connection pathways across the entire brain provide a neural network that supports general cognitive function.
https://medicalxpress.com/news/2020-03-cognitive-intelligence-brain...
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* https://medicalxpress.com/news/2020-03-validation-stressed-friends-...
Validation may be best way to support stressed out friends and family
messages that validated a person's feelings were more effective and helpful than ones that were critical or diminished emotions.
"One recommendation is for people to avoid using language that conveys control or uses arguments without sound justification. For example, instead of telling a distressed person how to feel, like 'don't take it so hard' or 'don't think about it,' you could encourage them to talk about their thoughts or feelings so that person can come to their own conclusions about how to change their feelings or behaviors."
Depending on how support is phrased or worded—it could be counterproductive, such as actually increasing stress or reducing a person's confidence that they can manage their stressful situation.
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https://medicalxpress.com/news/2020-03-dna-genomestudy-insights-sep...
Destroying DNA to save the genome—study offers new insights into sepsis and its treatment
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Mar 27, 2020
Dr. Krishna Kumari Challa
How to take your pulse
Your pulse is your heart rate, or the number of times your heart beats in one minute. You can take your pulse using the radial artery in your wrist or the carotid artery in your neck.
Some medical conditions can be a factor in determining the best place for you to take your pulse. For example, if you have heart disease or longstanding diabetes, it's best to use the artery on your wrist.
General instructions for taking your pulse
To get an accurate pulse:
Take your pulse the same time each day.
Sit down and rest several minutes before taking your pulse.
Count your pulse for a full 60 seconds unless told otherwise by your health care provider.
Taking your radial pulse
With your palm up, look at the area between your wrist bone and the tendon on the thumb side of your wrist. Your radial pulse can be taken on either wrist.
Use the tip of the index and third fingers of your other hand to feel the pulse in your radial artery between your wrist bone and the tendon on the thumb side of your wrist.
Apply just enough pressure so you can feel each beat. Do not push too hard or you will obstruct the blood flow.
Watch the second hand on your watch or a clock as you count how many times you feel your pulse.
Record your pulse rate.
Taking your carotid pulse
Find the area on one side of your neck near your windpipe. Your carotid pulse can be taken on either side of your neck.
Put the tip of your index and long finger in the groove of your neck along your windpipe to feel the pulse in your carotid artery. Do not press on the carotid artery on both sides of your neck at the same time. This may cause you to feel lightheaded or dizzy, or possibly faint.
Apply just enough pressure so you can feel each beat. Do not push too hard or you will obstruct the blood flow.
Watch the second hand on your watch or a clock as you count how many times you feel your pulse.
Record your pulse rate.
https://medicalxpress.com/news/2020-03-pulse.html?utm_source=nwlett...
Mar 27, 2020
Dr. Krishna Kumari Challa
How to take temp.: Always use a digital thermometer to check your temperature. Because of the potential for mercury exposure or ingestion, glass mercury thermometers have been phased out and are no longer recommended.
Read the instructions that came with the thermometer.
Wash your hands with soap and warm water before using the thermometer.
Clean the thermometer before and after each use with rubbing alcohol or soap and lukewarm water.
Don't use the same thermometer for both oral and rectal temperatures. Get two and label which is used where.
Wait at least 6 hours after taking medications that can lower your temperature, like acetaminophen (Tylenol, others), ibuprofen (Advil, Motrin IB, others) or aspirin.
Oral temperature
You'll need an oral thermometer, used in the mouth.
If you've been eating or drinking, wait 30 minutes before you take a temperature by mouth.
Turn on the digital thermometer. Place the thermometer tip under your tongue.
Close your mouth around the thermometer for the recommended amount of time or until the thermometer beep indicates it's done.
Remove the thermometer and read the number.
Ear temperature
A digital ear thermometer uses an infrared ray to measure the temperature inside the ear canal.
Turn on the digital thermometer. Gently place it in your ear canal no further than indicated by the instructions that came with the device.
Hold the thermometer tightly in place until you hear the thermometer beep indicating it's done.
Remove the thermometer and read the number.
Temporal artery temperature
Temporal artery thermometers use an infrared scanner to measure the temperature of the temporal artery in your forehead.
Turn on the digital thermometer.
Gently sweep it across your forehead and read the number.
Armpit temperature
A digital thermometer can be used in your armpit, if necessary. But armpit temperatures are typically less accurate than oral temperatures.
Turn on the digital thermometer. Place the thermometer under your armpit, making sure it touches skin, not clothing.
Hold the thermometer tightly in place until you hear the thermometer beep indicating it's done.
Remove the thermometer and read the number.
https://medicalxpress.com/news/2020-03-temperature.html?utm_source=...
Mar 27, 2020
Dr. Krishna Kumari Challa
To get on top of the coronavirus, we also need to test people without symptoms
How do we test for coronavirus?
There are two kinds of laboratory tests. One is a PCR (polymerase chain reaction) test, which detects fragments of the virus RNA in the sputum (phlegm), throat, nose or other body fluid.
The other is a blood test for antibodies to the virus. This can identify people who have been exposed to the virus and produced antibodies, whose swab may be negative.
Currently only PCR tests are widely available, but blood tests (serology) should be available soon.
PCR tests have some shortcomings. Throat swabs in particular can give you a false negative, so it may be necessary to repeat the test in someone who seems to have COVID-19. A nasal swab or sputum (phleghm) specimen is more likely to be positive in an infected person.
The PCR tests will only be transiently positive, while the serology remains positive once you have been infected. Blood tests are less likely to miss infected people, including children and young people. However, a blood test doesn’t tell you if someone is infectious at that time. PCR and serology can be used together for optimal results.
https://theconversation.com/to-get-on-top-of-the-coronavirus-we-als...
Mar 27, 2020
Dr. Krishna Kumari Challa
Mathematics of life and death: How disease models shape national shutdowns and other pandemic policies
https://www.sciencemag.org/news/2020/03/mathematics-life-and-death-...
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https://theconversation.com/how-to-model-a-pandemic-134187?utm_medi...
How to model a pandemic
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https://www.ted.com/talks/molly_webster_the_weird_history_of_the_se...
The common thinking on biological sex goes like this: females have two X chromosomes in their cells, while males have one X and one Y. In this myth-busting talk, science writer and podcaster Molly Webster shows why the so-called "sex chromosomes" are more complicated than this simple definition -- and reveals why we should think about them differently.
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https://www.sciencenews.org/article/number-steps-per-day-not-speed-...
The number of steps per day, not speed, is linked to mortality rate
An observational study found a benefit as steps added up for women and men
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https://www.the-scientist.com/notebook/researchers-discover-the-lar...
Researchers Discover the Largest Virus in the Oceans Yet
The ChoanoVirus genome codes for rhodopsin, perhaps giving its choanoflagellate host extra energy-harvesting capabilities.
Mar 27, 2020
Dr. Krishna Kumari Challa
Coronavirus: why changing human behaviour is the best defence in tackling the virus
https://theconversation.com/coronavirus-why-changing-human-behaviou...
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https://phys.org/news/2020-03-scientists-black.html?utm_source=nwle...
Scientists find a way to extract color from black
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https://phys.org/news/2020-03-funnel.html?utm_source=nwletter&u...
Researchers catch light in a funnel
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https://phys.org/news/2020-03-scientists-size-plastics-animals.html...
Scientists predict the size of plastics animals can eat
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https://techxplore.com/news/2020-03-home-online-privacy.html?utm_so...
Working from home risks online security and privacy: How to stay protected
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https://techxplore.com/news/2020-03-quantum-cyberattacks-eu.html?ut...
Scientists have created novel prototypes that use quantum encryption protocols for secure transmission of sensitive information through the internet.
Mar 27, 2020
Dr. Krishna Kumari Challa
Free range mitochondria are coming for you
https://phys.org/news/2020-03-free-range-mitochondria.html?utm_sour...
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https://phys.org/news/2020-03-quantum-copycat-bosons-fermions.html?...
Quantum copycat: Researchers find a new way in which bosons behave like fermions
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* https://phys.org/news/2020-03-longer-energy.html?utm_source=nwlette...
Longer lives not dependent on increased energy use
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Study shows how brain gains knowledge through observation
https://medicalxpress.com/news/2020-03-brain-gains-knowledge.html?u...
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https://phys.org/news/2020-03-d-sensors-diabetes.html?utm_source=nw...
3-D printed sensors could make breath tests for diabetes possible
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https://phys.org/news/2020-03-device-early-eyesight-problems.html?u...
A device for the early detection of certain eyesight problems
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https://phys.org/news/2020-03-animals-viruses-sea.html?utm_source=n...
Animals keep viruses in the sea in balance
Mar 28, 2020