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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: 22
Latest Activity: 20 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!"

                  "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 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 ...

.......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-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?

 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-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 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

How Genuine Science Explains Near Death Experiences

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa 21 hours ago. 10 Replies

The term 'near-death experience', or NDE, refers to a wide array of experiences reported by some people who have nearly died or who have thought they were going to die. It is any experience in which…Continue

How do coconuts get their water?

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

Image source: WIKIPEDIACoconut trees are iconic plants found across the…Continue

Bird flu could be on the cusp of transmitting between humans—but there are ways to slow down viral evolution

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa on Tuesday. 1 Reply

Pathogen transmission can be modeled in three stages. In Stage 1, the…Continue

Science versus Supernatural

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa on Monday. 1 Reply

Q: Science does not understand energy and the supernatural world because science only studies the material world. Is that why scientists don't believe in magic, manifestation or evil eye? Why flatly…Continue

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Comment by Dr. Krishna Kumari Challa on December 16, 2015 at 9:18am

The questions and problems climate meet threw at science...

Climate agreement reached by various Governments in Paris raises some interesting questions for scientists as to how we can achieve this: how much do we need to cut global greenhouse gas emissions? How quickly do we need to make those cuts? What else might we need to do to be able to keep warming to 1.5 °C – for example, would we need to develop technologies that actually remove CO2 from the atmosphere? If temperatures overshot 1.5 °C and then reduced to 1.5 °C, would sea level also overshoot and then reduce?

To answer these questions more precisely will require scientists to get an even more detailed understanding of how sensitive our climate is to CO2 and other greenhouse gases.

Key to this will be improving understanding of what we call ‘Earth system feedbacks’. These are natural feedback processes which could either increase or decrease the amount of warming we might expect in response to a given amount of greenhouse gases. For example, we know that there are stores of greenhouse gases ‘locked away’ under frozen ground (permafrost) in some parts of the world, such as northern  Russia. If that permafrost melts due to climate change, the gases would be released – which could further increase warming.

Scientists around the world are already working on providing answers to these questions by developing a new breed of ‘Earth System Models’ (essentially complex simulations of our planet run on powerful supercomputers), which take more of these feedback processes into account, and so will help inform planning of emissions to achieve the warming targets agreed in Paris.

Whether we limit warming to 2 °C or 1.5 °C, it’s clear we can expect some further change to our global climate over the coming decades. Research shows us that this will lead to some impacts and it’s vital that we understand in more detail what this means at a regional and local level.

For example, research tells us that some parts of the world can expect more extreme weather – including heat waves and increases in extreme rainfall. For those planning everything from future homes, to flood defences, to vital infrastructure, the detail on what to expect is essential.

Again, these are questions which science is already working to answer by harnessing new research and ever more powerful supercomputing technology. 

There’s still much more work to do in this area and it will be vital that the information generated by this research is presented in a way that allows everyone to make informed decisions about how we can become more resilient to our climate – whatever changes we can expect.

*There’s a lot of scientific debate about exactly what ‘pre-industrial levels’ means and how you would measure that, but here we use the average of temperatures during the period 1850-1899 as our representation.

- blog.metoffice.gov.uk

Comment by Dr. Krishna Kumari Challa on December 16, 2015 at 5:42am

Here is some interesting news: We all know that female mosquitoes spread diseases while having their meals. But you can avoid them in certain conditions. One of is to understand and follow their behaviour ...

A temperature-sensitive receptor prevents mosquitoes from being attracted to targets that are hotter than a potential host. Yes, true!

From warm summer days to cold winter nights, temperature is a ubiquitous sensory stimulus. All animals rely on their ability to detect environmental temperatures to avoid harm and to seek out more optimal conditions. Some animals, such as mosquitoes, also use their temperature sensors for a more nefarious purpose: to locate warm prey for a blood meal. Roman Corfas and Leslie Vosshall (e-Life) from Rockefeller University recently reported on the molecular basis of temperature-sensing behavior in Aedes aegypti, the mosquito that spreads yellow fever. They have shown how avoiding high temperatures can stop these insects from being attracted to targets that are too hot to represent a suitable host: in other words, while these mosquitoes like it hot, they don’t like it too hot.

Molecular receptors  guide the movements of some in the animal world like fruit flies and mosquitoes. In the malaria-spreading mosquito Anopheles gambiae, TRPA1 is expressed at the tips of the antennae. The tip of a mosquito antenna houses very sensitive thermoreceptors that could help drive host-seeking behavior.

Female mosquitoes normally prefer temperatures around 23°C. However, a puff of carbon dioxide (which could indicate that a metabolically active host is nearby) drives the mosquitoes to seek out temperatures that are closer to the body temperature of a mammal or bird (that is, between about 37°C and 43°C).  Corfas and Vosshall started by further characterizing this heat-seeking behavior. They found that mosquitoes were strongly attracted to a target when it was heated to temperatures above ambient, but only up to ~50°C. When it got hotter, this attraction declined strongly.

To probe the molecular mechanisms that might control this response, Corfas and Vosshall exploited genome-editing techniques to knock out the genes for GR19 and TRPA1 in A. aegypti. They found that mosquitoes lacking GR19 behaved like wild type mosquitoes and showed normal responses to heat. However, mosquitoes without TRPA1 continued to be attracted to the target even when its temperature reached potentially harmful levels (> 50°C).

The ability of animals to avoid high temperatures is commonly viewed from the perspective of damage avoidance. This response could also help a heat-seeking mosquito to choose among multiple potential targets.

As mosquito-borne illnesses kill more than a million people every year, interventions that can reduce the spread of such diseases are crucial. It is hoped that an increased understanding of how mosquitoes target their hosts can help accelerate the development of new control strategies.

Source: eLife Sciences

Comment by Dr. Krishna Kumari Challa on December 15, 2015 at 7:36am

We welcome climate pact to battle global warming at Paris.

The new accord, embraced by 195 nations, aims to cap warming to "well below" two degrees Celsius (3.6 degrees Fahrenheit) above pre-industrial levels, and to "pursue efforts" to limit the increase to 1.5C.

But according to scientists ... this ambitious temperature goal is not matched by an equally ambitious mitigation goal - the scientific term for the drawing-down of heat-trapping gases.

To have a two-thirds chance of limiting warming to two degrees, emissions would have to fall by 40-70 percent by mid-century, according to the Intergovernmental Panel on Climate Change (IPCC), the UN`s climate science body.

And to reach the 1.5C target also embraced in the newborn pact, those mid-century cuts would have to be even deeper: 70 to 95 percent.

Without these hard numbers -- dropped from an earlier draft -- the climate pact does not send a clear signal about the level and timing of emissions cuts.

Many scientists highlighted the imbalance created by boosting the ambition of the temperature target on the one hand, while removing the yardsticks against which progress toward that goal could be measured, on the other. How are we going to reach our objective unless we set out in the right direction? What matters more is how to get to the target.

Until governments accept this, we should restrain our optimism.

Scientific reality is unyielding. Stabilising greenhouse gases "in the second half of this century will require net carbon dioxide emissions to be reduced, in effect, to zero! scientists voiced concern about the fact that the new accord allows several years to pass before ramping up emissions reduction efforts.

We can`t wait until 2020 -- acting before then is essential, we have to be very pro-active, according to climate scientists.

Comment by Dr. Krishna Kumari Challa on December 13, 2015 at 11:13am

Comment by Dr. Krishna Kumari Challa on December 11, 2015 at 6:08am

There’s only so much brainpower to go around, and when the eyes hog it all, the ears suffer. When challenged with a tough visual task, people are less likely to perceive a tone, scientists report in the Dec. 9 Journal of Neuroscience. The results help explain what parents of screen-obsessed teenagers already know. For the study, people heard a tone while searching for a letter on a computer screen. When the letter was easy to find, participants were pretty good at identifying a tone. But when the search got harder, people were less likely to report hearing the sound, a phenomenon called inattentional deafness. Neural responses to the tone were blunted when people worked on a hard visual task, but not when the visual task was easy, researchers found. By showing that a demanding visual job can siphon resources away from hearing, the results suggest that perceptual overload can jump between senses.

Comment by Dr. Krishna Kumari Challa on December 10, 2015 at 6:14am
New light on introversion and extroversion personality traits:

Dr. Scott Barry Kaufman, Scientific Director at the Imagination Ins... from Quiet on Vimeo.

Comment by Dr. Krishna Kumari Challa on December 10, 2015 at 5:53am

Molecule that improves learning capabilities has been identified

Neuroscience: The compound D-cycloserine enhances cellular changes in the brain that lead to learning.
Our interactions with the world around us strengthen and weaken the connections between our neurons, a process that neuroscientists consider to be the cellular mechanism of learning.

Now researchers report that boosting signaling of a certain receptor in the brain with a small molecule can enhance these cellular changes and improve learning in people. The findings could lead to new treatments for patients with disorders associated with deficits in learning, such as Alzheimer’s disease and schizophrenia.

Through decades of research on how synapses change in animal brains, scientists have found that the N-methyl-d-aspartate receptor (NMDAR) plays a critical role in strengthening synapses during learning. Compounds that increase NMDAR signaling can drive such changes and, as a result, help animals learn new tasks.

http://www.pnas.org/content/early/2015/11/24/1509262112

Comment by Dr. Krishna Kumari Challa on December 9, 2015 at 12:52pm

The 2014 hypertension guidelines: implications for patients and practitioners in Asia
Hypertension is a global public health issue and a major cause of morbidity and mortality. Because of population growth and ageing, the number of people with uncontrolled hypertension rose from 600 million in 1980 to nearly 1 billion in 2008. Furthermore, the number of adults with hypertension in 2025 has also been predicted to increase by about 60% to a total of 1.56 billion. The prevalence of hypertension in most Asian countries has increased over the last 30 years and more dramatically in the last 10 years. Several factors contributed to such changes in Asia, but acculturation to Western lifestyle, modernisation and urbanisation are considered key contributing factors. There are some unique features in regards to cardiovascular risk in Asia. Specifically, Asian regions have disproportionately higher mortality and morbidity from stroke compared with Western countries. Furthermore, the relationship between blood pressure level and risk of stroke is stronger in Asia than in Western regions. Although evidence-based and qualified guidelines for hypertension diagnosis and management have been released recently from Europe and North America, the unique features of Asian patients with hypertension raise concerns in regards to the real clinical applicability of Western guidelines in Asian populations. Specifically, it is not yet clear to what extent the new blood pressure target proposed by Western guidelines for high risk and elderly hypertensive individuals apply to Asian populations.
European and North American blood pressure guidelines, issued last year, may actually boost the stroke risk if used for Asian patients, particularly the elderly, suggested an expert opinion published online in Heart Asia. High blood pressure is a key risk factor for stroke, but the link between the two is much stronger in Asians than it is in Europeans or North Americans, said the experts. The global number of people with poorly controlled high blood pressure has risen from 600 million in 1980 to almost 1 billion in 2008, and predicted to rise a further 60 percent to 1.56 billion by 2025. The prevalence of high blood pressure in Asian countries has risen sharply in the past 30 years, and particularly over the past decade, as a result of increasing urbanization and the adoption of a Western lifestyle. High blood pressure among Asian populations has unique features in terms of the response to drug treatment, risk of complications, and outcomes, say the authors. This leads to disproportionately high rates of death and ill health from stroke compared with Western populations. “Although evidence-based and qualified guidelines have been recently released from Europe and North America, the unique features of Asian hypertensive patients raise concerns on the real clinical applicability of these guidelines to Asian populations,” wrote the authors. The latest Western guidelines increased target blood pressure to 140/90 mmHg for patients at high risk of cardiovascular disease and renal failure, but this may be too high for Asian populations warn, the authors. Some Asian guidelines have recommended more stringent targets in these patients, they said. Treating high blood pressure in elderly Asian patients is particularly challenging, they said. And the threshold for systolic blood pressure recommended by Western guidelines could boost the risk of stroke in these patients. A threshold below 140/90 mmHg might be more appropriate, they suggest. “The paucity of data on the correct definition of the most appropriate [blood pressure] target in elderly patients, highlighted by the few available trials, should be perceived as a stimulus for future research in Asia, not as an argument for questioning the benefit of treatment,” the researchers wrote.
http://heartasia.bmj.com/content/7/2/21

Comment by Dr. Krishna Kumari Challa on December 8, 2015 at 5:55am

Rattan wood — the stems of a climbing palm that grows in South-East Asian and West African forests — could be the source of next-generation bone implants, with the first products planned for release in 2019.

Italian firm GreenBone announced last month that trials on sheep prove that its technology works. It found that rattan can be used to build a scaffold to support damaged bones by turning rattan into a material with the same strength, flexibility and porosity as bones.

“Rattan is totally biocompatible and absorbable, and structurally organised like natural bone... it induces bone regeneration.”

The chemical process that turns rattan into a bone-like material was developed by a team at the Institute of Science and Technology for Ceramics (Istec) of the Italian National Research Council. Through this process, plant materials such as lignin and cellulose are removed from pieces of rattan wood, which are then treated to create hydroxyapatite, the same mineral that makes up human bones.

“The advantages offered by rattan-derived bone-like material over other bone substitutes like ceramics, polymers and titanium are great,” says Anna Tampieri, a researcher with the Istec project and chief scientist at GreenBone “Unlike these solutions, rattan is totally biocompatible and absorbable, and structurally organised like natural bone. We also already had evidence that it induces bone regeneration. With time, it will completely fuse with the real bone.”

Bone replacement is crucial for treating various conditions when bones cannot self-repair. These include severe breaks, bone cancer and degenerative diseases such as osteoporosis.

Rattan bones could be especially important for replacing large chunks of bone — three centimetres or more — for which existing bone substitutes are unsuitable, the team found. In time, rattan grafts are replaced with newly formed bone without needing further surgery, making it a cheaper and less-invasive choice for long-term treatment, the researchers say.

Pilot studies by Tampieri’s team showed evidence of full integration with real bone and no signs of rattan bones being rejected or leading to infection.
http://www.scidev.net/global/r-d/news/rattan-wood-bone-implants-nea...

http://www.inbar.int/forest-femur

http://news.bbc.co.uk/2/hi/europe/8446637.stm

Comment by Dr. Krishna Kumari Challa on December 7, 2015 at 5:31am

How scientists are trying to protect coral reefs

 

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