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Mad cow disease: A new culprit beyond prions Recent research by scientists challenges the belief that mad cow disease is caused only by misfolded proteins—a discovery that sheds new… Started by Dr. Krishna Kumari Challa	1	Dec 14, 2025 Reply by Dr. Krishna Kumari Challa
Exercise slows tumour growth in mice by shifting glucose uptake to muscles Several people ask this question: If cancer cells feed on sugars, why can’t we reduce sugar intake in cancer patients to control it? (1, 2)… Started by Dr. Krishna Kumari Challa	1	Dec 14, 2025 Reply by Dr. Krishna Kumari Challa
Epigenetics linked to high-altitude adaptation in Andes DNA sequencing technology makes it possible to explore the genome to learn how humans adapted to live in a wide range of environments. Res… Started by Dr. Krishna Kumari Challa	1	Dec 14, 2025 Reply by Dr. Krishna Kumari Challa
How microplastics harm your brain Microplastics could be fueling neurodegenerative diseases like Alzheimer's and Parkinson's, with a new study highlighting five ways micropl… Started by Dr. Krishna Kumari Challa	1	Dec 14, 2025 Reply by Dr. Krishna Kumari Challa
Some Qs. people asked me on science and my replies to them - Part 31 Interactive science series Q: What are the disadvantages of doing DIRECT… Started by Dr. Krishna Kumari Challa	4	Dec 1, 2025 Reply by Dr. Krishna Kumari Challa
New mutation hotspot discovered in human genome Researchers have discovered new regions of the human genome particularly vulnerable to mutations. These altered stretches of DNA can be pas… Started by Dr. Krishna Kumari Challa	1	Dec 1, 2025 Reply by Dr. Krishna Kumari Challa
Insomnia: why some minds can't switch off at night Researchers have found compelling evidence that insomnia may be linked to disruptions in the brain's natural 24-hour rhythm of mental acti… Started by Dr. Krishna Kumari Challa	1	Dec 1, 2025 Reply by Dr. Krishna Kumari Challa
Bird flu viruses are resistant to fever which makes them a major threat to humans Bird flu viruses are a particular threat to humans because they can replicate at temperatures higher than a typical fever, one of the body'… Started by Dr. Krishna Kumari Challa	1	Dec 1, 2025 Reply by Dr. Krishna Kumari Challa
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