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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: 12 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

Why do type 2 diabetics sometimes become thin if their condition is not managed properly?

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa 12 hours ago. 1 Reply

Why do type 2 diabetics sometimes become thin if their condition is not managed properly?Earlier we used to get this answer to the Q : Type 2 diabetics may experience weight loss and become thin due…Continue

Real heart attacks won't be like the ones shown in Hollywood or Bollywoood

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa 15 hours ago. 1 Reply

Movies and TV serials shaped how many people imagine a heart attack—someone clutching their chest and collapsing dramatically. But those portrayals are misleading and shouldn't be expected, say the…Continue

Vaccine woes

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa 16 hours ago. 13 Replies

Recent measles outbreak in the California state of the US ( now spread to other states too) tells an interesting story.Vaccines are not responsible for the woes people face but because of rejection…Continue

Dad, this is why I scream when ever I hurt myself!

Started by Dr. Krishna Kumari Challa. Last reply by Dr. Krishna Kumari Challa yesterday. 5 Replies

When I was a very young school girl, I still remember very well, my Dad used to tell me to bear the pain out and not to scream and cry whenever I hurt myself and was in severe pain. I never ever saw…Continue

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Comment by Dr. Krishna Kumari Challa on April 13, 2023 at 11:47am

Mitochondria power supply failure may cause age-related cognitive impairment

Brains are like puzzles, requiring many nested and co-dependent pieces to function well. The brain is divided into areas, each containing many millions of neurons connected across thousands of synapses. These synapses, which enable communication between neurons, depend on even smaller structures: message-sending boutons (swollen bulbs at the branch-like tips of neurons), message-receiving dendrites (complementary branch-like structures for receiving bouton messages), and power-generating mitochondria. To create a cohesive brain, all these pieces must be accounted for.

However, in the aging brain, these pieces can get lost or altered, and no longer fit in the greater brain puzzle. A research team has now published a study in Frontiers in Aging Neuroscience on this topic.
Fifty percent of people experience loss of working memory with old age, meaning their ability to hold and manipulate information in the short-term decreases.
Researchers set out to understand why some individuals maintain healthy working memory as they age, while others do not. In the process, they discovered a novel mechanism for the synaptic basis of cognitive impairment.

Prior studies had found that brains lose  as they age, and the researchers saw this pattern in their non-human primate model, too. But when they looked at the synapses that remained, they found evidence of a breakdown in coordination between the size of boutons and the mitochondria they contained.

A fundamental neuroscientific principle, the ultrastructural size principle, explains that whenever one part of the synaptic complex changes in size, so too must all the other parts. The synapse, the mitochondria, the boutons—all these parts must scale in accordance with one another. Before this new study, nobody had asked whether this principle could be violated with age or disease.

Researchers  turned to electron microscopy to examine this. This enabled them to visualize these components across many synapses. They found that synaptic loss occurred with healthy and impaired aging, but what differed was the breakdown in the correlation between the sizes of boutons and their mitochondria.

Part 1

Comment by Dr. Krishna Kumari Challa on April 13, 2023 at 10:58am

Time-restricted fasting could cause fertility problems

Time-restricted fasting diets could cause fertility problems according to new research.

Time-restricted fasting is an eating pattern where people limit their food consumption to certain hours of the day. It's a popular health and fitness trend and people are doing it to lose weight and improve their health.

 A new study published recently in Proceedings of the Royal Society B: Biological Sciences shows that time-restricted fasting affects reproduction differently in male and female zebrafish. It is titled, "Fasting increases investment in soma upon refeeding at the cost of gamete quality in zebrafish."

Importantly, some of the negative effects on eggs and sperm quality can be seen after the fish returned to their normal levels of food consumption.

The research team say that while the study was conducted in fish, their findings highlight the importance of considering not just the effect of fasting on weight and health, but also on fertility.

The way organisms respond to food shortages can affect the quality of eggs and sperm, and such effects could potentially continue after the end of the fasting period.

Fasting increases investment in soma upon refeeding at the cost of gamete quality in zebrafish, Proceedings of the Royal Society B: Biological Sciences (2023). DOI: 10.1098/rspb.2022.1556. royalsocietypublishing.org/doi … .1098/rspb.2022.1556

Comment by Dr. Krishna Kumari Challa on April 13, 2023 at 10:48am

New 'AI scientist' combines theory and data to discover scientific equations

In 1918, the American chemist Irving Langmuir published a paper examining the behavior of gas molecules sticking to a solid surface. Guided by the results of careful experiments, as well as his theory that solids offer discrete sites for the gas molecules to fill, he worked out a series of equations that describe how much gas will stick, given the pressure.

Now, about a hundred years later, an "AI scientist" developed by researchers at IBM Research, Samsung AI, and the University of Maryland, Baltimore County (UMBC) has reproduced a key part of Langmuir's Nobel Prize-winning work. The system— (AI) functioning as a scientist—also rediscovered Kepler's third law of planetary motion, which can calculate the time it takes one space object to orbit another given the distance separating them, and produced a good approximation of Einstein's relativistic time-dilation law, which shows that time slows down for fast-moving objects.

A paper describing the results is published in Nature Communications on April 12.

Combining Data and Theory for Derivable Scientific Discovery with AI-Descartes, Nature Communications (2023). DOI: 10.1038/s41467-023-37236-y

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Comment by Dr. Krishna Kumari Challa on April 12, 2023 at 12:27pm

Researchers leverage cell self-destruction to treat brain tumours

Glioblastoma is the most common type of brain tumor in adults. The disease is 100% fatal and there are no cures, making it the most aggressive type of cancer. Such a poor prognosis has motivated researchers and neurosurgeons to understand the biology of tumors with the goal of creating better therapies.

A team of researchers have found that glioblastoma tumor cells are particularly sensitive to ferroptosis—a type of cell death that can be triggered by removing certain amino acids from the diet.

First, the researchers found that when they take away certain amino acids in animal models that the glioblastoma cells are more likely to die by ferroptosis. Secondly, they found that removing these amino acids makes the drugs a lot more effective at inducing ferroptosis in cancer cells.

Ferroptosis is an iron-dependent type of "programmed cell death" or a biological process that causes cells to "self-destruct" on command. Our bodies don't need to kill cells unless absolutely necessary, so the process is tightly controlled by certain biological mechanisms. However, researchers are only now beginning to comprehend the process because ferroptosis was recognized only a decade ago.

Every cell has certain safety features to keep it from going through ferroptosis in an unpredictable way. Two amino acids, cysteine and methionine, are critical for preventing the process from starting in cells. We typically pick up these amino acids through our diet.

By depriving animal models of cysteine and methionine through a customized diet, they found that the glioblastoma cells were significantly more likely to die via ferroptosis. They also found that the diet made their chemotherapy drugs more apt at initiating programmed cell death, meaning that very low doses were able to achieve a more potent effect than before. Ultimately, the animal models had improved survival after going on the diet.

This type of diet has also shown to be very effective in sarcoma, lung cancers, and pancreatic cancers, so there is hope that this diet can be used to put some extra umph behind chemotherapy and/or surgery to remove tumors throughout the body.

Pavan S. Upadhyayula, Dominique M. Higgins, Angeliki Mela, Matei Banu, Athanassios Dovas, Fereshteh Zandkarimi, Purvi Patel, Aayushi Mahajan, Nelson Humala, Trang T. T. Nguyen, Kunal R. Chaudhary, Lillian Liao, Michael Argenziano, Tejaswi Sudhakar, Colin P. Sperring, Benjamin L. Shapiro, Eman R. Ahmed, Connor Kinslow, Ling F. Ye, Markus D. Siegelin, Simon Cheng, Rajesh Soni, Jeffrey N. Bruce, Brent R. Stockwell, Peter Canoll. Dietary restriction of cysteine and methionine sensitizes gliomas to ferroptosis and induces alterations in energetic metabolismNature Communications, 2023; 14 (1) DOI: 10.1038/s41467-023-36630-w

Comment by Dr. Krishna Kumari Challa on April 12, 2023 at 11:24am

How air pollution causes lung cancer

Air pollution might cause lung cancer by creating inflammation that encourages proliferation of cells with e... — not by mutating DNA itself. The results provide a mechanism that could apply to other cancers caused by environmental exposure and might one day lead to ways to prevent them. “The idea is that exposures to carcinogens could promote cancer without actually doing anything to the DNA,” says medical geneticist Serena Nik-Zainal. “Not every carcinogen is a mutagen.”

Environmental particulate matter measuring ≤2.5 μm (PM2.5), known to be associated with lung cancer risk, promotes lung cancer by acting on cells that harbour pre-existing oncogenic mutations in healthy lung tissue.

https://www.nature.com/articles/s41586-023-05874-3?utm_source=Natur...

Comment by Dr. Krishna Kumari Challa on April 12, 2023 at 11:15am

A day and night difference: Molecular composition of aerosols diffe...

Tiny aerosols particles in the atmosphere have a significant effect on the climate. They affect the climate directly by interacting with solar radiation. Depending on the type of particle, they can block sunlight, cooling the atmosphere, or absorb sunlight, warming the atmosphere. They also affect climate indirectly by acting as seeds for warm and cold cloud formation. But scientists lack information on these aerosols' molecular composition. This is especially true of aerosols during the day and night above agricultural fields.

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New findings that map the universe's cosmic growth support Einstein...

For millennia, humans have been fascinated by the mysteries of the cosmos.

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Cancer-causing chemicals detected in toys and headphones

Cancer-causing chlorinated paraffins are still used in a wide range of everyday products sold in North America, despite their known health harm and being banned in Canada for a decade, according to a new study in Environmental Science: Processes & Impacts. The researchers detected short-chain chlorinated paraffins in more than 85% of products tested, including headphones, plastic toys, clothing, personal care products, and indoor paints purchased in Canad

Comment by Dr. Krishna Kumari Challa on April 12, 2023 at 10:47am

Geoscientist discovers new phosphorus material after lightning strike

After lightning struck a tree in a New Port Richey neighborhood, a University of South Florida professor discovered the strike led to the formation of a new phosphorus material. It was found in a rock—the first time in solid form on Earth—and could represent a member of a new mineral group.

Minerals similar to it can be found in meteorites and space, but can't be  seen this exact material anywhere on Earth.

High-energy events, such as lightning, can cause unique chemical reactions, and in this instance, result in a new material—one that is transitional between space minerals and minerals found on Earth.

When lightning strikes a tree, the ground typically explodes out and the surrounding grass dies, forming a scar and sending electric discharge through nearby rock, soil and sand, forming fulgurites, also known as 'fossilized lightning'.

In wet environments, such as in Florida,  iron will often accumulate and encrust tree roots. In this case, not only did the lightening strike combust the iron on the tree roots, but it combusted the naturally occurring carbon in the tree as well. The two elements led to a chemical reaction that created a fulgurite that looked like a metal 'glob.'

Inside the fulgurite, a colorful, crystal-like matter revealed a material never before discovered.

The experiment, when repeated in a lab,  was unsuccessful and indicates the material likely forms quickly under precise conditions, and if heated too long, will turn into the mineral found in meteorites.

This research may reveal other forms of reduced minerals are plausible and many could have been important in the development of life on Earth.

Luca Bindi et al, Routes to reduction of phosphate by high-energy events, Communications Earth & Environment (2023). DOI: 10.1038/s43247-023-00736-2

Comment by Dr. Krishna Kumari Challa on April 12, 2023 at 9:47am

Evidence found of possible interdomain horizontal gene transfer leading to development of the eye in vertebrates

A group of molecular and chemical biologists,  has found possible evidence of interdomain horizontal gene transfer leading to the development of the eye in vertebrates. In their study, reported in Proceedings of the National Academy of Sciences researchers used the IQ-TREE software program to trace the evolutionary history of genes associated with vision.

Ever since scientists proved that humans, along with other animals, developed due to evolutionary processes, one problem has stood out—how could evolution possibly account for the development of something as complicated as the eyeball? Even Charles Darwin was said to be stumped by the question. In recent times, this seeming conundrum has been used by some groups as a means to discredit evolutionary theory altogether. In this new effort, researchers sought to answer the question once and for all.

Their work began with the idea that vision in vertebrates may have got its start by using light-sensitive genes transferred from microbes. To find out if that might be the case, the team submitted likely human gene candidates to the IQ-TREE program to look for similar genetic sequences in other creatures, most specifically, microbes.

They found a promising candidate, a gene called IRBP. In humans, it encodes for a protein that is used in the eye as part of a process that converts light into electrical pulses that are eventually sent to the brain via the optic nerve. The research team notes that the gene is an essential component of vision in all vertebrates. IRBP is also found in microbes, most specifically in bacterial peptidases, a class of enzymes that is known for recycling proteins.

The researchers note that while IRBP and the protein that it encodes exists in all vertebrates, it does not exist in most invertebrates. This, they suggest, indicates that the IRBP gene may have been transferred from a microbe over 500 million years ago to an ancient vertebrate, leading to the development of light sensitivity, and over time, to organs such as eyeballs.

More information: Chinmay A. Kalluraya et al, Bacterial origin of a key innovation in the evolution of the vertebrate eye, Proceedings of the National Academy of Sciences (2023). DOI: 10.1073/pnas.2214815120

Comment by Dr. Krishna Kumari Challa on April 12, 2023 at 9:26am

 Link between youthful gut microbiota and potential centenarians

With a growing body of scientific evidence illustrating the influence of gut microbiota on human health, researchers investigated the microflora inhabiting the guts of the world's healthiest people—centenarians.

In the paper, "Longevity of centenarians is reflected by the gut microbiome with youth-associated signatures," published in Nature Aging, the researchers studied the microbiomes of 1,575 individuals aged 20 up to 117, with 297 of them reported to be 100 years old or older. A Research Briefing on the study, titled "Youth-associated signatures in the gut microbiome of centenarians," has been published in the same journal issue.

Participants were evaluated in five age-related groups. Young adults (n = 314, 20–44 years), a middle-aged group (n = 277, 45–65 years), old adults (n = 386, 66–85 years), a nonagenarian group (n = 301, 90–99 years), and a centenarian cohort (n = 297, 100–117 years).

The researchers discovered that the  signature in centenarians resembles that of  with an overrepresentation of Bacteroides spp., an increase in species evenness (species have a similar abundance), an enrichment of potentially beneficial species from the Bacteroidetes phylum and depletion of potential pathobionts (harmless but can become pathogenic under certain circumstances).

A smaller group of 45 centenarians was tested twice over a year and a half. Results from the group indicated that as centenarians age, the signature species evenness and low pathobionts continued to develop and were enhanced or conserved.

The researchers propose that this microbiome signature is associated with longevity, as they observed in their study, and state that this may counteract the senescence or chronic diseases that generally accompany aging, which this study could not have observed.

The researchers are currently isolating thousands of bacteria strains from the centenarians and testing their benefits on animal models in search of microorganisms that are able to extend the human lifespan. 

Shifu Pang et al, Longevity of centenarians is reflected by the gut microbiome with youth-associated signatures, Nature Aging (2023). DOI: 10.1038/s43587-023-00389-y

Youth-associated signatures in the gut microbiome of centenarians, Nature Aging (2023). DOI: 10.1038/s43587-023-00395-0

Comment by Dr. Krishna Kumari Challa on April 11, 2023 at 1:06pm

India's tiger population rises above 3,000

India's wild tiger population—by far the largest in the world—has risen above 3,000, according to a census released Sunday, boosting efforts to conserve the endangered species.

The largest of all cats, tigers once roamed throughout central, eastern and southern Asia.

But in the past 100 years the tiger has lost more than 93 percent of its historic range and now only survives in scattered populations in 13 countries, according to the International Union for Conservation of Nature (IUCN).

The Indian census estimated there were 3,167 tigers in the wild across the country, up from 2,967 reported in the last such exercise.

Surveys are conducted every four years, using camera traps and computer programmes to individually identify each creature.

The rate of increase has slowed to less than seven percent over the period, down from more than 30 percent in the previous four years.

Deforestation, poaching and human encroachment on habitats have devastated tiger populations across Asia .

India is now home to 75 percent of the global tiger population and also the "largest tiger range country in the world".

In 1900, more than 100,000 tigers were estimated to roam the planet. But that fell to a record low of 3,200 in 2010.

That year, India and 12 other countries with tiger populations signed an agreement to double their big cat numbers by 2022.

India is believed to have had a tiger population of around 40,000 at the time of independence from Britain in 1947.

That fell over subsequent decades to about 3,700 in 2002 and an all-time low of 1,411 four years later, but numbers have since risen steadily.

On the other hand it also tells us that each of us now need to work harder to restore degraded habitats, ensure safe movement of tigers through corridors and promote coexistence.

Source: News agencies

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