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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: 21
Latest Activity: 22 hours ago

         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 573 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 ...

.......185

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

 ** qs-people-asked-me-on-science-and-my-replies-to-them-part-173

w. why-motivated-perception-influences-your-understanding-of-science

x. science-communication-in-uncertain-times

y. sci-com: why-keep-a-dog-and-bark-yourself

z. How to deal with sci com dilemmas?

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-for-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

Qs people asked me on science and my replies to them - part 118

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa 22 hours ago. 2 Replies

                                                                  BLACK MAGICPeople are asking me hundreds of Qs on black magic. This shows how this superstition is deep-rooted in this part of the…Continue

Qs people asked me on science and my replies to them - part 205

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa yesterday. 1 Reply

Q: Can ingesting diamond fragments and powder cause death like they show in the movies?Krishna: Smugglers sometimes do swallow diamonds to avoid getting caught. But no ill effects have been…Continue

Qs people asked me on science and my replies to them - part 204

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa Aug 4. 1 Reply

Q: Why has Covid19 shown scientists in poor light?Krishna: This is a perception based Q and even answers give perception based analysis.This is what happens if you don’t understand scientific method…Continue

How to hoodwink surveillance

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

How can we hide from surveillance?Big brother is watching you. Cameras, drones, patrols and what not. Drones are  everywhere. They keep an eye on your especially during protests and marches. How can…Continue

Comment Wall

Comment

You need to be a member of Science Simplified! to add comments!

Comment by Dr. Krishna Kumari Challa 23 hours ago

Physicists Demonstrate a Weird Effect Where Heating Particles Causes Them to Freeze!

https://www.sciencealert.com/physicists-demonstrated-a-weird-effect...

The idea of freezing particles by warming them is counterintuitive, to say the least. But physicists have shown how specially designed mixtures 'melt' in the dark but crystallise the moment the lights come on, thanks to their unique thermal activity.

Instead of bouncing the particles around and spreading them out, the researchers showed that by using light to heat up the mixture, they were able to lock particles in place and force them to clump together, as if they were frozen. 

Researchers from the University of Cambridge in the UK carried out their experiments on a colloid made up of water, polystyrene and small droplets of oil coated in DNA to better understand the dynamics taking place between them when warmed by light. 

particles suspended in a temperature gradient flow away from hot spots towards cooler ones. 

So it'd stand to reason that if we heated suspensions of oil, focussing on the boundary with its watery surrounds, you would expect the mix of molecules to jiggle with excitement, bumping and grinding their way towards cooler areas and causing the fluids to move.

There's even a term for this oil and water flow; the Marangoni effect.

Putting it simply, the contrasting surface tension between oil and water makes each susceptible to variations in temperature in slightly different ways, forcing their particles to scatter.

Small particles freezing when warmed by light

Comment by Dr. Krishna Kumari Challa 23 hours ago

Mpemba effect: Why hot water can freeze faster than cold

https://phys.org/news/2010-03-mpemba-effect-hot-faster-cold.html

Theories for the Mpemba effect have included:

    • faster evaporation of hot , which reduces the volume left to freeze

    • formation of a frost layer on cold water, insulating it

  • different concentrations of solutes such as , which is driven off when the water is heated

The problem is that the effect does not always appear, and cold water often freezes faster than hot water.

 Recent observations show supercooling is involved. water usually supercools at 0°C and only begins freezing below this temperature. The freezing point is governed by impurities in the water that seed ice crystal formation. Impurities such as dust, bacteria, and dissolved salts all have a characteristic nucleation temperature, and when several are present the freezing point is determined by the one with the highest  temperature.

 When researchers took two water samples at the same temperature and placed them in a freezer, they found that one would usually freeze before the other, presumably because of a slightly different mix of impurities. They then removed the samples from the freezer, warmed one to  and the other to 80°C and then froze them again. The results were that if the difference in freezing point was at least 5°C, the one with the highest freezing point always froze before the other if it was heated to 80°C and then re-frozen.

The researchers said the hot water cools faster because of the bigger difference in temperature between the water and the freezer, and this helps it reach its freezing point before the cold water reaches its natural freezing point, which is at least 5°C lower. They also said all the conditions must be controlled, such as the location of the samples in the freezer, and the type of container, which they said other researchers had not done.

The effect now known as the Mpemba effect was first noted in the 4th century BC by Aristotle, and many scientists have noted the same phenomenon in the centuries since Aristotle’s time. It was dubbed the Mpemba effect in the 1960s when schoolboy Erasto Mpemba from Tanzania claimed in his science class that ice cream would freeze faster if it was heated first before being put in the freezer. The laughter ended only when a school inspector tried the experiment himself and vindicated him.

Comment by Dr. Krishna Kumari Challa 23 hours ago

The extra hygiene precautions we’re taking for COVID-19 won’t weaken our immune systems

https://theconversation.com/no-the-extra-hygiene-precautions-were-t...

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 Why Are Only 10% of People Left-Handed? Here's What Scientists Know So Far

https://www.sciencealert.com/why-are-only-10-of-people-left-handed-...

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 We May Have 'Recycled' a Key Region of Our Brains as Humans Learned to Read

https://www.sciencealert.com/we-may-have-recycled-parts-of-our-brai...

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Comment by Dr. Krishna Kumari Challa yesterday

Sonocytology

How Do Our Cells Produce Sound?

The motion of molecular motors (motor proteins) in transporting cell organelles and setting the stage for cell activities like cell division, muscle contraction, etc. is believed to be root cause for cellular sounds. The study of the sounds of a cell is called sonocytology. 

Well, not really, but your cells do sing and they might be able to give opera singers a run for their money.

Researchers in the year 2004 discovered that cells vibrate; when those vibrations are amplified, they sound like squeals. Also, each individual cell is thought to vibrate uniquely. Scientists argue that decoding these squeals could help us recognize the state of a cell and thus predict the arrival of a disease. This study of the sounds of a cell is called sonocytology (“sonos” ~ sound, “cytology” ~ study of cell structure and function).

https://www.scienceabc.com/pure-sciences/how-do-our-cells-produce-s...

https://www.nature.com/articles/423106b

Comment by Dr. Krishna Kumari Challa yesterday

** A titanate nanowire mask that can eliminate pathogens

Researchers are working on a membrane made of titanium oxide nanowires, similar in appearance to filter paper but with antibacterial and antiviral properties. Their material works by using the photocatalytic properties of titanium dioxide: when exposed to ultraviolet radiation, the fibers convert resident moisture into oxidizing agents such as hydrogen peroxide, which have the ability to destroy pathogens.
https://www.sciencedaily.com/releases/2020/08/200807093800.htm
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 SpaceX Just Launched 57 New Starlink Satellites With Controversial Sun Shades
https://www.sciencealert.com/spacex-just-launched-57-new-satellites...
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** Some Coronavirus Patients Are Getting Rashes, And It May Signal Underlying Issues
Patients with severe coronavirus may experience rashes and lesions indicative of underlying blood clots, a new report suggests.


In the paper, published in JAMA Dermatology Wednesday, researchers described four New York City patients who were intubated with severe coronavirus and had skin complications.  Even though all patients received therapy to help prevent blood clots when they were admitted, all developed clots in their skin and were thought to have pulmonary embolisms, or an artery blockage in the lung. The findings are a lesson to other healthcare professionals to take skin manifestations as a potential sign of abnormal underlying blood clots, which can lead to strokes, heart attacks, pulmonary embolisms, and other potentially fatal complications.


https://www.sciencealert.com/some-coronavirus-patients-are-getting-...
Comment by Dr. Krishna Kumari Challa yesterday

 Open windows to help stop the spread of coronavirus

COVID is not only spread by touch and droplets sprayed from the mouth and nose but, importantly, via a third route too. The third infection pathway is in very tiny airborne particles of liquid and material, known as aerosols, that stay suspended in the air for a long time. If the virus attaches to these tiny particles, it can float on the air and spread much further. An effective way to reduce this spread is to purge the air containing those aerosols from rooms by simply opening the windows. By  opening a window to let the virus escape, the amount of it in a room can be reduced, leading to a lower risk of infection.

To prevent COVID from spreading:

  • Medical experts promote hand washing, protective clothing, cleaning surfaces, spatial distancing, fewer people in lifts, and the wearing of face masks – all practical and effective actions.

  • Heating, ventilating and cooling (HVAC) engineers recommend limiting the spread of the virus with expensive, high-efficiency particulate air and ultraviolet filters for climate-control systems in buildings that work well for those who can afford them.

  • Architects, when looking at the impacts of COVID on buildings often deal with issues of social and physical distancing within buildings, and toy with the idea of the “end of tall buildings”, or the effect of the shift to home-working on the energy efficiency of our homes.

Simply opening windows have added benefits of the thermal, emotional and sensual delight of a cooling breeze on the skin on a warm day. Or the relief of clean, fresh air pouring into a stuffy room.

https://theconversation.com/open-windows-to-help-stop-the-spread-of...

Comment by Dr. Krishna Kumari Challa on Saturday

 Here's What Happens in Your Body When You Overeat Just Once

https://www.sciencealert.com/here-s-what-happens-in-your-body-when-...

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 Common Colds May Have 'Primed' Some People's Immune Systems For COVID-19

https://www.sciencealert.com/common-colds-may-have-primed-some-peop...

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New Hybrid Species Remix Old Genes Creatively

Clues from fish diversity suggest that interbreeding between species could be a major mechanism of fast speciation.
Comment by Dr. Krishna Kumari Challa on Saturday

 A viper’s zig-zag colors help blur their predators’ vision

Scientists previously thought that animals’ color patterns were either warning signs or camouflage — on these snakes, they are both

https://massivesci.com/articles/snakes-predation-camouflage-evoluti...

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  ‘Hyper urban’ coyote genomes are growing apart their from city and rural cousins

Humans’ built environment has consequences even for creatures that seem to thrive in cities

https://massivesci.com/articles/city-coyotes-rural-carnivores-habit...

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 Chameleons do more than change color – their bones glow in the dark

Famous for camouflage, their visual communication turns out to run even deeper

https://massivesci.com/articles/chameleons-glow-dark-skeletons-anim...

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DNA from an ancient, unidentified ancestor was passed down to humans living today

A new analysis of ancient genomes suggests that different branches of the human family tree interbred multiple times, and that some humans carry DNA from an archaic, unknown ancestor.

https://www.sciencedaily.com/releases/2020/08/200806153558.htm

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 Four reasons why some people become ‘super smellers’ – from pregnancy to genetic differences

https://theconversation.com/four-reasons-why-some-people-become-sup...

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 Here's How Exploding Stars Forged The Calcium in Your Teeth And Bones

https://www.sciencealert.com/here-s-how-the-calcium-in-your-teeth-a...

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Comment by Dr. Krishna Kumari Challa on Saturday

People who feel dizzy when they stand up may have higher risk of dementia

https://medicalxpress.com/news/2020-08-people-dizzy-higher-dementia...

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New stem cell model to study how cancer arises

https://medicalxpress.com/news/2020-08-stem-cell-cancer.html?utm_so...

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https://phys.org/news/2020-08-link-atlantic-hurricanes-weather-east...

Researchers find link between Atlantic hurricanes and weather system in East Asia

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https://phys.org/news/2020-08-scientists-crispr-gene-messages-early...

Scientists use CRISPR to knock down gene messages early in development

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Why deforestation and extinctions make pandemics more likely

Researchers are redoubling efforts to understand links between biodiversity and emerging diseases — and use that information to predict and stop future outbreaks.
https://www.nature.com/articles/d41586-020-02341-1?utm_source=Natur...
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Why pregnant women face special risks from COVID-19

https://www.sciencemag.org/news/2020/08/why-pregnant-women-face-spe...

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 We Finally Know How This Ancient Reptile Lived With Such an Absurdly Long Neck

https://www.sciencealert.com/half-of-this-ancient-reptile-s-body-is...

Comment by Dr. Krishna Kumari Challa on Friday

Here is the best place on Earth to see stars, according to science

The stars literally twinkle less here because there is hardly any 'atmospheric turbulence' — a phenomenon that confounds scientists the world over.

https://www.livescience.com/best-stargazing-on-earth-dome-a.html

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Brain noise contains unique signature of dream sleep

https://medicalxpress.com/news/2020-08-brain-noise-unique-signature...

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https://phys.org/news/2020-08-science-biodegradable-algae-based-fli...

science behind biodegradable algae-based flip-flops

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Transgender and gender-diverse individuals more likely to be autistic: study

https://medicalxpress.com/news/2020-08-transgender-gender-diverse-i...

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Glass-like wood insulates heat, is tough, blocks UV and has wood-grain pattern

https://phys.org/news/2020-08-glass-like-wood-insulates-tough-block...

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Hormones control paternal interest in offspring

https://phys.org/news/2020-08-hormones-paternal-offspring.html?utm_...

 

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