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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'

Members: 14
Latest Activity: yesterday

         WE LOVE SCIENCE HERE BECAUSE IT IS A MANY SPLENDOURED THING

     THIS  IS A WAR ZONE WHERE SCIENCE FIGHTS WITH NONSENSE AND WINS                                               

“The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.”             

                    "Being a scientist is a state of mind, not a profession!"

"Knowledge is a Superpower but the irony is you cannot get enough of it with ever increasing data base unless you try to keep up with it constantly and in the right way!" The best education comes from learning from people who know what they are exactly talking about.

Science is this glorious adventure into the unknown, the opportunity to discover things that nobody knew before. And that’s just an experience that’s not to be missed. But it’s also a motivated effort to try to help humankind. And maybe that’s just by increasing human knowledge—because that’s a way to make us a nobler species.

If you are scientifically literate the world looks very different to you.

We do science and science communication not because they are easy but because they are difficult!

There are about 405 articles posted here. Links to some important articles :

1. Interactive science series...

a. how-to-do-research-and-write-research-papers-part 13

b. Some Qs peopel asked me on science and my replies to them...

Part 6part-10part-11part-12, part 14  ,  part- 8

part- 1part-2part-4part-5part-16part-17part-18 , part-19 , part-20

part-21 , part-22part-23part-24part-25part-26part-27 , part-28

part-29part-30part-31part-32part-33part-34part-35part-36part-37,

 part-38part-40part-41part-42part-43part-44part-45part-46part-47

Part 48 part49Critical thinking -part 50 , part -51part-52part-53

part-54part-55part-57part-58part-59part-60part-61part-62part-63

part 64, part-65part-66part-67part-68part 69part-70 part-71part-73 ...

.......125

BP variations during pregnancy part-72

who is responsible for the gender of  thier children - a man or a woman -part-56

c. some-questions-people-asked-me-on-science-based-on-my-art-and-poems -part-7

d. science-s-rules-are-unyielding-they-will-not-be-bent-for-anybody-part-3-

e. debate-between-scientists-and-people-who-practice-and-propagate-pseudo-science - part -9

f. why astrology is pseudo-science part 15

g. How Science is demolishing patriarchal ideas - part-39

2. in-defence-of-mangalyaan-why-even-developing-countries-like-india need space research programmes

3. Science communication series:

a. science-communication - part 1

b. how-scienitsts-should-communicate-with-laymen - part 2

c. main-challenges-of-science-communication-and-how-to-overcome-them - part 3

d. the-importance-of-science-communication-through-art- part 4

e. why-science-communication-is-geting worse - part  5

f. why-science-journalism-is-not-taken-seriously-in-this-part-of-the-world - part 6

g. blogs-the-best-bet-to-communicate-science-by-scientists- part 7

h. why-it-is-difficult-for-scientists-to-debate-controversial-issues - part 8

i. science-writers-and-communicators-where-are-you - part 9

j. shooting-the-messengers-for-a-different-reason-for-conveying-the- part 10

k. why-is-science-journalism-different-from-other-forms-of-journalism - part 11

l.  golden-rules-of-science-communication- Part 12

m. science-writers-should-develop-a-broader-view-to-put-things-in-th - part 13

n. an-informed-patient-is-the-most-cooperative-one -part 14

o. the-risks-scientists-will-have-to-face-while-communicating-science - part 15

p. the-most-difficult-part-of-science-communication - part 16

q. clarity-on-who-you-are-writing-for-is-important-before-sitting-to write a science story - part 17

r. science-communicators-get-thick-skinned-to-communicate-science-without-any-bias - part 18

s. is-post-truth-another-name-for-science-communication-failure?

t. why-is-it-difficult-for-scientists-to-have-high-eqs

u. art-and-literature-as-effective-aids-in-science-communication-and teaching

v.some-qs-people-asked-me-on-science communication-and-my-replies-to-them

4. Health related topics:

a. why-antibiotic-resistance-is-increasing-and-how-scientists-are-tr

b. what-might-happen-when-you-take-lots-of-medicines

c. know-your-cesarean-facts-ladies

d. right-facts-about-menstruation

e. answer-to-the-question-why-on-big-c

f. how-scientists-are-identifying-new-preventive-measures-and-cures-

g. what-if-little-creatures-high-jack-your-brain-and-try-to-control-

h. who-knows-better?

i. mycotoxicoses

j. immunotherapy

k. can-rust-from-old-drinking-water-pipes-cause-health-problems

l. pvc-and-cpvc-pipes-should-not-be-used-for-drinking-water-supply

m. melioidosis

n.vaccine-woes

o. desensitization-and-transplant-success-story

p. do-you-think-the-medicines-you-are-taking-are-perfectly-alright-then revisit your position!

q. swine-flu-the-difficlulties-we-still-face-while-tackling-the-outb

r. dump-this-useless-information-into-a-garbage-bin-if-you-really-care about evidence based medicine

s. don-t-ignore-these-head-injuries

t. the-detoxification-scam

u. allergic- agony-caused-by-caterpillars-and-moths

General science: 

a.why-do-water-bodies-suddenly-change-colour

b. don-t-knock-down-your-own-life-line

c. the-most-menacing-animal-in-the-world

d. how-exo-planets-are-detected

e. the-importance-of-earth-s-magnetic-field

f. saving-tigers-from-extinction-is-still-a-travail

g. the-importance-of-snakes-in-our-eco-systems

h. understanding-reverse-osmosis

i. the-importance-of-microbiomes

j. crispr-cas9-gene-editing-technique-a-boon-to-fixing-defective-gen

k. biomimicry-a-solution-to-some-of-our-problems

5. the-dilemmas-scientists-face

6. why-we-get-contradictory-reports-in-science

7. be-alert-pseudo-science-and-anti-science-are-on-prowl

8. science-will-answer-your-questions-and-solve-your-problems

9. how-science-debunks-baseless-beliefs

10. climate-science-and-its-relevance

11. the-road-to-a-healthy-life

12. relative-truth-about-gm-crops-and-foods

13. intuition-based-work-is-bad-science

14. how-science-explains-near-death-experiences

15. just-studies-are-different-from-thorough-scientific-research

16. lab-scientists-versus-internet-scientists

17. can-you-challenge-science?

18. the-myth-of-ritual-working

19.science-and-superstitions-how-rational-thinking-can-make-you-work-better

20. comets-are-not-harmful-or-bad-omens-so-enjoy-the-clestial-shows

21. explanation-of-mysterious-lights-during-earthquakes

22. science-can-tell-what-constitutes-the-beauty-of-a-rose

23. what-lessons-can-science-learn-from-tragedies-like-these

24. the-specific-traits-of-a-scientific-mind

25. science-and-the-paranormal

26. are-these-inventions-and-discoveries-really-accidental-and-intuitive like the journalists say?

27. how-the-brain-of-a-polymath-copes-with-all-the-things-it-does

28. how-to-make-scientific-research-in-india-a-success-story

29. getting-rid-of-plastic-the-natural-way

30. why-some-interesting-things-happen-in-nature

31. real-life-stories-that-proves-how-science-helps-you

32. Science and trust series:

a. how-to-trust-science-stories-a-guide-to-common-man

b. trust-in-science-what-makes-people-waver

c. standing-up-for-science-showing-reasons-why-science-should-be-trusted

You will find the entire list of discussions here: http://kkartlab.in/group/some-science/forum

( Please go through the comments section below to find reports/research results relating to science reported on a daily basis and watch videos based on science)

Get interactive...

Please contact us if you want us to add any information or scientific explanation on any topic that interests you. We will try our level best to give you the right information.

Our mail ID: kkartlabin@gmail.com

Discussion Forum

Can Yagna or havan bring rains and purify the air or is it pseudo-science?

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa Jun 9. 1 Reply

Q: Can Yagna or havan bring rains and purify the air or is it pseudo-science?Krishna: Two days back I was debating the same question on TV.Two vedic pundits said Yagna can bring rains. I asked them…Continue

Qs people asked me on science and my replies to them - Part 141

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa May 30. 1 Reply

Q: What is the difference between knowledge in other fields and knowledge in science?Krishna: I am glad you realized there is a difference. After becoming a polymath and dealing with several subjects…Continue

Some Qs people asked me on science and my replies to them -Part 140 - Infertility

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa May 29. 1 Reply

Q: Dr. Krishna, what is infertility and what causes it?Krishna: Infertility is defined as not being able to get pregnant despite having frequent, unprotected sex for at least a year or more. For…Continue

Some Qs people asked me on science and my replies to them - part 139 - Scientific Evidence

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa May 28. 2 Replies

Q: Dr. Krishna, can you please explain what genuine scientific evidence is?Krishna: Sure.Understanding where true scientific evidence comes from, and what it means, is imperative to helping us tackle…Continue

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Comment by Dr. Krishna Kumari Challa yesterday

Clinical Trials Involving Fecal Transplants have their own risks

The US Food and Drug Administration issued a safety alert for fecal transplant procedures after two immune-compromised patients contracted drug-resistant infections, according to a statement from the agency’s website. The patients received transplants from the same donor, and one of the patients died. As a result, the agency plans to suspend clinical trials involving the procedure.

Fecal matter transplants (FMT) are not yet officially approved by the US Food and Drug Administration (FDA). “While we support this area of scientific discovery, it’s important to note that FMT does not come without risk,” Peter Marks, director of the FDA’s Center for Biologics Evaluation and Research, says in a brief statement on the agency’s website. Marks does not state how many clinical trials will be affected, but says it was “not just a few.”
The FDA warns that fecal matter should be tested for drug-resistant bacteria. Today’s safety communication underscores the importance of why new therapies are thoroughly studied to ensure the benefits of taking them outweigh the risks to patients, and they will continue to aggressively monitor clinical trials to ensure patients are protected when safety concerns arise.

Comment by Dr. Krishna Kumari Challa on May 29, 2019 at 7:52am

Severe air pollution can cause birth defects, deaths

Researchers from Texas A&M University have determined that harmful particulate matter in the atmosphere can produce birth defects and even fatalities during pregnancy using the animal model.

The team of researchers from Texas A&M's Colleges of Agriculture and Life Sciences and Geosciences, the Texas A&M Health Science Center, and colleagues from the University of California-San Diego has had their findings published in the current issue of PNAS (Proceedings of the National Academy of Sciences).

Using female rats, the team examined the adverse health effects of exposure to fine particulate matter consisting of ammonium sulfate commonly found in many locations around the world. 

During winter months in China and India, where severe haze events frequently occur, fine particulate matter levels were especially high at several hundred micrograms per cubic meter, the team concluded.

Air pollution is a century-old problem for much of the world. According to the World Health Organization, 9 out of 10 people worldwide breathe air containing high level of pollutants, and 1 of every 9 global deaths can be attributed to exposure to air pollution, totaling over 7 million premature deaths a year.

Sulfate is mainly produced from coal burning, which is a major energy source for much of the world in both developed and developing countries. Ammonium is derived from ammonia, which is produced from agricultural, automobile, and animal emissions.

The results also show that prenatal exposure to air pollution may not dispose offspring to obesity in adulthood. Previous studies have shown such pollution to impair metabolic and immune systems in animal offspring, but this team's study shows definitive proof of decreased fetal survival rates, and also shortened gestation rates that can result in smaller body weight, in addition to damage to brains, hearts and other organs in the adult rat models.

Comment by Dr. Krishna Kumari Challa on May 25, 2019 at 9:07am

How Bacteria Become Drug-Resistant While Exposed to Antibiotics

Escherichia coli is capable of synthesizing drug-resistant proteins even in the presence of antibiotics designed to cripple cell growth. That’s the finding by a group of French researchers reporting on May 23 in Science. They also discovered how the bacteria manage this feat: a well-conserved membrane pump shuttles antibiotics out of the cell—just long enough to buy the cells time to receive DNA from neighbor cells that codes for a drug-resistant protein. 

Many bacterial membranes are known to harbor a multidrug efflux pump known as AcrAB-TolC, which is capable of shuttling a wide range of antibiotics out of cells. 

They found that the mutants, although they received the plasmid bearing the genetic code for TetA from neighboring cells, weren’t capable of synthesizing TetA protein. Without the functional efflux pump, the mutants can’t shuttle the tetracycline out of the cells. As levels of the antibiotic surged inside the cells, they could no longer make proteins or grow. 

When functional, the AcrAB-TolC pump buys the bacteria time by keeping antibiotic concentrations just low enough for the cells to synthesize the resistance proteins encoded in the plasmid DNA, according to the researchers. Ultimately, bacteria can become resistant while still under the influence of antibiotics. 

S. Nolivos et al., “Role of AcrAB-TolC multidrug efflux pump in drug-resistance acquisition by plasmid transfer,” Science, doi:10.1126/science.aax6620, 2019. 

Comment by Dr. Krishna Kumari Challa on May 23, 2019 at 8:56am

Measles erases the immune system’s memory


Beyond the rash, the infection makes it harder for the body to remember and attack other invaders

The most iconic thing about measles is the rash — red, livid splotches that make infection painfully visible.

But that rash, and even the fever, coughing and watery, sore eyes, are all distractions from the virus’s real harm — an all-out attack on the immune system.

Measles silently wipes clean the immune system’s memory of past infections. In this way, the virus can cast a long and dangerous shadow for months, or even years, scientists are finding. The resulting “immune amnesia” leaves people vulnerable to other viruses and bacteria that cause pneumonia, ear infections and diarrhea. It really puts you at increased susceptibility for everything else. And that has big consequences, recent studies show.

Wherever you introduce measles vaccination, you always reduce childhood mortality. Always. The shot prevents deaths, and more than just those caused by measles. By shielding the immune system against one virus’s attack, the vaccine may create a kind of protective halo that keeps other pathogens at bay, some researchers suspect.

M. Rosen. Kids who have had measles are at higher risk of fatal infectionsScience News. Vol. 187, May 30, 2015, p. 10.

Comment by Dr. Krishna Kumari Challa on May 23, 2019 at 8:37am

Hypertension found in children exposed to flower pesticides

In Ecuador, roses for Mother's Day sold around the world is major export crop, but pesticides used to grow and treat those flowers may be affecting health of children living nearby

In a study published online May 21, 2019 in the journal Environmental Research, researchers at University of California San Diego School of Medicine found higher blood pressure and pesticide exposures in children associated with a heightened pesticide spraying period around the Mother's Day flower harvest. This study involved boys and girls living near flower crops in Ecuador.

Researchers assessed 313 boys and girls, ages 4 to 9, residing in floricultural communities in Ecuador. The children were examined up to 100 days after the Mother's Day harvest. The analyses are part of a long-term study of environmental pollutants and child development in Ecuador.

Researchers  observed that children examined sooner after the Mother's Day harvest had higher pesticide exposures and higher systolic and diastolic blood pressures compared to children examined later. In addition, children who were examined within 81 days after the harvest were three times more likely to have hypertension than children examined between 91 and 100 days.

There is some evidence that insecticides, such as organophosphates, can increase blood pressure. Organophosphates and several other classes of insecticides and fungicides are commonly used to treat flowers for pests before export.

In a previous study, the same people had reported that children examined sooner after the harvest displayed lower performances in tasks of attention, self-control, visuospatial processing and sensorimotor than children examined later.

"These new findings build upon a growing number of studies describing that pesticide spray seasons may be affecting the development of children living near agricultural spray sites. They highlight the importance of reducing the exposures to pesticides of children and families living near agriculture."

https://www.sciencedirect.com/science/article/pii/S0013935119302889

Comment by Dr. Krishna Kumari Challa on May 19, 2019 at 10:34am

Researchers from England’s Medical Research Council Laboratory of Molecular Biology have successfully created E. coli bacteria with entirely human-made DNA, marking a milestone in the burgeoning field of synthetic biology and paving the way for future innovation built on so-called “designer” bacteria.
According to a new study published in the journal Nature, the synthetic genome is by far the largest of its kind. The product of a two-year research campaign, the redesigned DNA consists of four million segments—four times more than the previous record holder. Perhaps most impressively, the bacteria contain just 61 codons, as opposed to the 64 found in nearly all living creatures. Despite this seeming disparity, the synthetic bacteria appear to function much like normal E. coli. The main differences are a slower growth rate and longer length.
https://www.nature.com/articles/s41586-019-1192-5

Comment by Dr. Krishna Kumari Challa on May 9, 2019 at 9:10am

Teenager recovers from near death in world-first GM virus treatment

Bacteria-killing viruses known as phages offer hope of solution to antibiotic resistance

A British teenager has made a remarkable recovery after being the first patient in the world to be given a genetically engineered virus to treat a drug-resistant infection.

Isabelle Holdaway, 17, nearly died after a lung transplant left her with an intractable infection that could not be cleared with antibiotics. After a nine-month stay at Great Ormond Street hospital, she returned to her home in Kent for palliative care, but recovered after her consultant teamed up with a US laboratory to develop the experimental therapy.

The scientists behind the breakthrough have said bacteria-killing viruses, known as phages, have the potential to be used as an alternative treatment to counter the antibiotic resistance.

Isabelle has cystic fibrosis, a genetic disease that results in frequent infections clogging up the lungs with mucus. By summer 2017, her lungs had less than a third of their normal function and she had been plagued by two stubborn bacterial strains for eight years. She and her doctors decided a double lung transplant was the best option, even though it meant her existing infections could spread.

Comment by Dr. Krishna Kumari Challa on May 8, 2019 at 9:54am

Rice husks can remove microcystin toxins from water

Scientists at The University of Toledo have discovered that rice husks can effectively remove microcystin from water, a finding that could have far-reaching implications for communities along the Great Lakes and across the developing world.

An abundant and inexpensive agricultural byproduct, rice husks have been investigated as a water purification solution in the past. However, this is the first time they have been shown to remove microcystin, the toxin released by harmful algal blooms.

The results of the study were recently published in the journal Science of the Total Environment.

Researchers found the rice husks removed more than 95 percent of microcystin MC-LR -- the most common type found in Lake Erie -- in concentrations of up to 596 parts-per-billion (ppb). Even in concentrations approaching 3,000 ppb, more than 70 percent of the MC-LR was removed, and other types of MCs were removed as well.

Comment by Dr. Krishna Kumari Challa on April 26, 2019 at 8:57am

Scientists have discovered a powerful new strain of fact-resistant humans who are threatening the ability of Earth to sustain life, a sobering new study reports.

The research, conducted by the University of Minnesota, identifies a virulent strain of humans who are virtually immune to any form of verifiable knowledge, leaving scientists at a loss as to how to combat them.

“These humans appear to have all the faculties necessary to receive and process information. And yet, somehow, they have developed defenses that, for all intents and purposes, have rendered those faculties totally inactive. As facts have multiplied, their defenses against those facts have only grown more powerful.” Davis Logsdon, one of the scientists who contributed to the study, said.

While scientists have no clear understanding of the mechanisms that prevent the fact-resistant humans from absorbing data, they theorize that the strain may have developed the ability to intercept and discard information enroute from the auditory nerve to the brain.

“The normal functions of human consciousness have been completely nullified,” Logsdon said.

While reaffirming the gloomy assessments of the study, Logsdon held out hope that the threat of fact-resistant humans could be mitigated in the future.


“Our research is very preliminary, but it’s possible that they will become more receptive to facts once they are in an environment without food, water, or oxygen,” he said.

https://www.thescinewsreporter.com/2019/04/scientists-earth-endange...

Comment by Dr. Krishna Kumari Challa on April 11, 2019 at 11:19am


A Danish study of 657,461 children showed that children who were not vaccinated for MMR had a higher rate of autism than the children who were vaccinated with MMR. Large Danish Study: Autism Not Linked to MMR Vaccine

 

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