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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'

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Latest Activity: 17 hours ago

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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!"

"Science, when it's done right, can yield amazing things".

The Reach of Scientific Research From Labs to Laymen

The aim of science is not only to open a door to infinite knowledge and wisdom but to set a limit to infinite error.

"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!

“Science is not a subject you studied in school. It’s life. We 're brought into existence by it!"

Links to some important articles :

1. Interactive science series...

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

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

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

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

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

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

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

Part 48, part49, Critical thinking -part 50 , part -51, part-52, part-53

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

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

.......306

BP variations during pregnancy part-72

who is responsible for the gender of their 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-wi thout-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?

A+. sci-com-what-makes-a-story-news-worthy-in-science

B+. is-a-perfect-language-important-in-writing-science-stories

C+. sci-com-how-much-entertainment-is-too-much-while-communicating-sc

D+. sci-com-why-can-t-everybody-understand-science-in-the-same-way

E+. how-to-successfully-negotiate-the-science-communication-maze

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-ca re 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 scientific research reports posted 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

Sport Science - your best bet to beat competition when used in a correct and legal way

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa yesterday. 17 Replies 0 Likes

How can you achieve these targets in sport: "Faster, Higher, Stronger"?Very often people in this part of the world wonder why some developed countries do very well in Olympics and other International…Continue

Wildfires ignite infection risks by weakening the body's immune defenses and spreading bugs in smoke

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa on Friday. 1 Reply 0 Likes

Over the past several days, the world has watched on in shock as wildfires have devastated large parts of Los Angeles.Beyond the obvious destruction—to landscapes, homes, businesses and more—fires at…Continue

Rewrite the textbooks: Damage to RNA, not DNA, found to be main cause of acute sunburn!

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa on Friday. 1 Reply 0 Likes

We have all been told to avoid direct sunlight between 12 noon and 3 p.m., seek out shade and put on sunscreen and a hat. Nevertheless, most of us have experienced sunburn at least once. The skin…Continue

Study shows hot leaves can't catch carbon from the air. It's bad news for rainforests—and Earth

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa Jan 16. 1 Reply 0 Likes

On the east coast of Australia, in tropical North Queensland, lies the Daintree rainforest—a place where the density of trees forms an almost impenetrable mass of green.Stepping into the forest can…Continue

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Comment by Dr. Krishna Kumari Challa on June 27, 2020 at 10:31am: Here’s how we’re growing meat in labs instead of in animals

A tissue engineer writes the cultured meat explainer you’ve been looking for

https://massivesci.com/articles/what-is-cultured-meat/?utm_source=d...

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https://massivesci.com/articles/biofabrication-grow-organic-leather...

Lab-grown leather and spider silk are the future of your wardrobe

Burgeoning startups are hacking cells to create ‘unnatural’ and ‘smart’ clothing

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https://www.sciencealert.com/physicists-have-reversed-time-on-the-s...

Physicists Have Reversed Time on The Smallest Scale Using a Quantum Computer

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https://theconversation.com/what-doctors-know-about-lingering-sympt...

lingering symptoms of coronavirus

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https://www.sciencealert.com/new-study-on-breast-implants-finds-tak...

New Study Draws Attention to The Devastating Effects of Breast Implant Illness

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https://phys.org/news/2020-06-km-brazil-megaflash-lightning.html?ut...

700-km Brazil 'megaflash' sets lightning record: UN

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https://phys.org/news/2020-06-conspiracy-theories-emergeand-storyli...

How conspiracy theories emerge—and how their storylines fall apart

Comment by Dr. Krishna Kumari Challa on June 27, 2020 at 8:13am: Jumping kingdoms: What if bacteria jump from plants to humans?

Researchers are learning about new ways pathogens are jumping from plants to people.

Scientists have been finding "trojan horse" methods bacteria such as salmonella are using to elude plant immune systems and find their way to new human hosts.

Opportunistic bacteria—salmonella, listeria and E.coli, for example—often piggyback on raw vegetables, poultry, beef and other foods to gain entry into a human host, causing millions of foodborne illnesses each year.

But University of Delaware researchers Harsh Bais and Kali Kniel and their collaborators now have found that wild strains of salmonella can circumvent a plant's immune defense system, getting into the leaves of lettuce by opening up the plant's tiny breathing pores called stomates.

The plant shows no symptoms of this invasion and once inside the plant, the pathogens cannot just be washed off.

Stomates are little kidney-shaped openings on leaves that open and close naturally and are regulated by circadian rhythm. They open to allow the plant to cool off and breathe. They close when they detect threats from drought or plant bacterial pathogens.

Some pathogens can barge into a closed stomate using brute force. Fungi can do that, for example. Bacteria don't have the enzymes needed to do that so they look for openings—in roots or through stomates. Plant bacterial pathogens have found a way to reopen those closed stomates and gain entry to the plant's internal workings.

But now, in research published by Frontiers in Microbiology, Bais and Kniel have shown that some strains of the human pathogen salmonella have developed a way to reopen closed stomates, too.

What's new is how the non-host bacteria are evolving to bypass plant immune response. They are real opportunists. They are absolutely jumping kingdoms….When we see these unusual interactions, that's where it starts to get complex.

Opportunities for pathogens arise as plants are bred to increase yield, often at the expense of their own defense systems. Other opportunities arise when a grower plants low-lying crops too close to a livestock field, making contamination easier.

Nicholas Johnson et al. Evasion of Plant Innate Defense Response by Salmonella on Lettuce, Frontiers in Microbiology (2020). DOI: 10.3389/fmicb.2020.00500

https://phys.org/news/2020-06-bacteria-ways-immune-defenses.html?ut...

Comment by Dr. Krishna Kumari Challa on June 27, 2020 at 7:03am: Eco-cultural identity explained ...

https://phys.org/news/2020-06-ecocultural-identity.html?utm_source=...

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https://phys.org/news/2020-06-lab-cartilage-mimicking-gel-strong-kn...

From the lab, the first cartilage-mimicking gel that's strong enough for knees

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Comparing 13 different CRISPR-Cas9 DNA scissors

https://phys.org/news/2020-06-crispr-cas9-dna-scissors.html?utm_sou...

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https://theconversation.com/kissing-can-be-dangerous-how-old-advice...

When Kissing can be dangerous ....

Comment by Dr. Krishna Kumari Challa on June 27, 2020 at 6:51am: How an intelligent alien civilization can harvest energy from blackholes

https://theconversation.com/could-we-extract-energy-from-a-black-ho...

Comment by Dr. Krishna Kumari Challa on June 27, 2020 at 6:25am

Gender bias kept alive by people who think it's dead

Workplace gender bias is being kept alive by people who think it's no longer an issue, new research suggests.

In the study, managers were given identical descriptions of a worker—the only difference being either a male or female name.

Most managers rated the male worker as more competent, and recommended a higher salary—an average 8% pay gap.

The "key drivers" of this gap were managers who thought bias no longer existed in their profession, while those who believed bias still existed recommended roughly equal pay.

This means holding this belief constitutes a "critical risk factor", and may be vital to identifying who in a profession is perpetuating issues of gender bias.

Two thirds of the managers who thought gender bias no longer existed were men—but female managers with this opinion undervalued female staff just as much as male managers did.

The research -by the University of Exeter, Skidmore College and the British Veterinary Association (BVA) - focussed on the veterinary profession. The resulting evaluations were systematically biased among those who thought gender bias was no longer an issue.

The studies also found:

Vets were split over whether gender bias still existed in their profession (44% said yes, 42% said no; the rest were undecided).
Gender bias among managers who thought bias was not an issue was not only evident among those who strongly believed this, but also those who only slightly held this view.
Because of seeing the female as less competent, managers were also less likely to advise giving her more managerial responsibilities, and less likely to encourage her to pursue important opportunities for promotion. This shows how managers' biases not only affect women's current employment situation (current pay) but can affect the entire trajectory of their career, by discouraging them from pursuing promotions.
All of these effects held true when controlling for managers' own gender, their years of managerial experience, how long they've been in the profession, etc.
They also held true when controlling for managers' endorsement of more overtly sexist beliefs (i.e., endorsement of hostile sexism)

this research highlights a rather insidious paradox that can arise when individuals misperceive the level of progress made on gender equality in their profession, such that those who mistakenly think gender bias is no longer an issue become the highest risk for perpetuating it.

C.T. Begeny el al., "In some professions, women have become well represented, yet gender bias persists—Perpetuated by those who think it is not happening," Science Advances (2020). advances.sciencemag.org/lookup … .1126/sciadv.aba7814

https://phys.org/news/2020-06-gender-bias-alive-people-dead.html?ut...

Comment by Dr. Krishna Kumari Challa on June 27, 2020 at 6:15am: Recursion (the computational capacity to embed elements within elements of the same kind): researchers for the first time show this ability is shared across age, species and cultural groups in a new study

https://medicalxpress.com/news/2020-06-recursive.html?utm_source=nw...

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https://phys.org/news/2020-06-chemicals-air-hazardous-math-formula....

Chemicals released into the air could become less hazardous, thanks to a missing math formula for droplets

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https://phys.org/news/2020-06-common-food-additive-adverse-health.h...

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Artificial life one step closer: Life-emulating molecules show basic metabolism in a lab

https://phys.org/news/2020-06-life-emulating-molecules-basic-metabo...

Jim Ottelé, Andreas S. Hussain, Clemens Mayer, Sijbren Otto: Chance Emergence of Catalytic Activity and Promiscuity in a Self-Replicator. Nature Catalysis 26 June 2020. DOI: 10.1038/s41557-020-0494-4

Guillermo Monreal Santiago, Kai Liu, Wesley R. Browne, Sijbren Otto: Emergence of light-driven protometabolism upon recruitment of a photocatalytic cofactor by a self-replicator. Nature Chemistry 26 June 2020.

Comment by Dr. Krishna Kumari Challa on June 26, 2020 at 10:29am: CRISPR gene editing in human embryos wreaks chromosomal mayhem

Three studies showing large DNA deletions and reshuffling heighten safety concerns about heritable genome editing.

https://www.nature.com/articles/d41586-020-01906-4

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https://khn.org/news/how-and-when-to-get-coronavirus-test-post-prot...

Easy to Say ‘Get Tested’ for the Coronavirus—Harder to Do: Here’s How

Experts explain the best time for testing after exposure and how to find test sites

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** https://www.scientificamerican.com/article/the-first-gene-on-earth-...

The First Gene on Earth May Have Been a Hybrid

A new experiment suggests DNA and RNA may have formed together before the origin of life

Comment by Dr. Krishna Kumari Challa on June 26, 2020 at 9:06am: How language shapes the way we think

Comment by Dr. Krishna Kumari Challa on June 26, 2020 at 7:24am: Gold nanoparticles to save neurons from cell death
In a recent experiment, researchers have developed gold nanoparticles in the laboratory in order to reduce the cell death of neurons exposed to overexcitement.

Excessive stimulation of neurons by the neurotransmitter glutamate, which is usually involved in the excitatory communication among neurons, can damage nerve cells and cause their degeneration. This phenomenon, known with the term excitotoxicity, is common in many neuroinflammatory and neurodegenerative diseases, such as Alzheimer's and Huntington's disease, but also in case of epilepsy, brain trauma and stroke.

In particular, these nanoparticles were designed and prepared by a IIT team in Lecce (Italy), and are functionalized with peptides that allow selective inhibition of extrasynaptic glutamate receptors involved in the excitotoxicity. In fact, the size of the nanoparticles is 20, which is 50 times larger than that of classic drugs resulting in the blockade of only the receptors located outside the synapses. In this way, correct neurotransmission is preserved while the excessive activation that leads to cell death is avoided.

The molecular mechanism underlying the neuroprotective effect of the nanoparticles has been clarified by the experimental work.

The results of this research sets the basis for treatment of neurological diseases in which the excessive release of glutamate is at the basis of the pathology. The possibility of specifically blocking extrasynaptic receptors, mainly responsible for cell death, without interfering with synaptic transmission, opens up promising perspectives for targeted therapy without major side effects.

This study shows how nanotechnology can provide important indications for treatment of many neuroinflammatory and neurodegenerative diseases.

Source: Stefania Alexandra Iakab et al, Gold Nanoparticle-Assisted Black Silicon Substrates for Mass Spectrometry Imaging Applications, ACS Nano (2020). DOI: 10.1021/acsnano.0c00201

https://phys.org/news/2020-06-gold-nanoparticles-neurons-cell-death...