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Why do some people feel extreme cold? Q:Why do some people feel extreme cold? People show different sensitivities to low temperature because of variations in body mass, muscle m… Started by Dr. Krishna Kumari Challa	1	Dec 1, 2025 Reply by Dr. Krishna Kumari Challa
Scientists identify five structural eras of the human brain over a lifetime Neuroscientists have identified five "major epochs" of brain structure over the course of a human life, as our brains rewire to support di… Started by Dr. Krishna Kumari Challa	1	Nov 30, 2025 Reply by Dr. Krishna Kumari Challa
How much CO₂ does your flight really produce? How to know if carbon footprint claims are accurate When two people book the same flight, they can get wildly different carbon footprints from online calculators. Many carbon calculators leav… Started by Dr. Krishna Kumari Challa	1	Nov 20, 2025 Reply by Dr. Krishna Kumari Challa
The importance of snakes in our eco-systems Crawly creepy creatures. Big eyes and protruding tongues. Hissing sounds and hoods in ready to attack poses. What would people do if they c… Started by Dr. Krishna Kumari Challa	5	Nov 19, 2025 Reply by Dr. Krishna Kumari Challa
Humans are evolved for nature, not cities, say anthropologists This mismatch is creating lots of problems for us and we need to change our thinking and behaviour. A new paper by evolutionary anthropolog… Started by Dr. Krishna Kumari Challa	1	Nov 19, 2025 Reply by Dr. Krishna Kumari Challa
Phytomining: A fern that makes rare earth elements! Credit: Environmental Science & Technology (2025). DOI: 10.1021/acs.est.5c09617 Scientists have discovered a fern from South China… Started by Dr. Krishna Kumari Challa	1	Nov 14, 2025 Reply by Dr. Krishna Kumari Challa
Vaccine woes Recent measles outbreak in the California state of the US ( now spread to other states too) tells an interesting story. Vaccines are not re… Started by Dr. Krishna Kumari Challa	17	Nov 12, 2025 Reply by Dr. Krishna Kumari Challa
How scientists are hacking bacteria to treat cancer, self-destruct, then vanish without a trace Bacteria are rapidly emerging as a new class of "living medicines" used to kill cancer cells. We're still a long way from a "cure" f… Started by Dr. Krishna Kumari Challa	1	Nov 11, 2025 Reply by Dr. Krishna Kumari Challa
Deepavali fireworks cause more distress than happiness! Oh, we have been celebrating Deepavali with fun and happiness minus fireworks for the past several years! Before somebody asks me 'How can… Started by Dr. Krishna Kumari Challa	4	Nov 5, 2025 Reply by Dr. Krishna Kumari Challa
Getting rid of plastic the natural way Headlines in the media screaming: Humans dump 8 million tonnes of plastics into the oceans each year. That's five grocery bags of plastic f… Started by Dr. Krishna Kumari Challa	14	Nov 5, 2025 Reply by Dr. Krishna Kumari Challa