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Why no individual is like another when epigenetics come into play Epigenetic modifications—chemical changes to DNA that do not alter its sequence—regulate gene expression and contribute to individual behav… Started by Dr. Krishna Kumari Challa	1	Mar 26 Reply by Dr. Krishna Kumari Challa
Death: Science, not supernatural pastime! Q: How do people of science who don't believe in super-naturals explain difficult things like death? Krishna: Death. Every creature that co… Started by Dr. Krishna Kumari Challa	1	Mar 26 Reply by Dr. Krishna Kumari Challa
'Being a scientist is a state of mind, not a profession' Q: Why do you say 'Being a scientist is a state of mind, not a profession'? Aren't all scientists not professionals? Krishna: 😊 I face this… Started by Dr. Krishna Kumari Challa	1	Mar 22 Reply by Dr. Krishna Kumari Challa
What brain region associated with moral inconsistency tells about a person's moral behaviour Some people think science has nothing to do with emotions and morals because it can't deal with them! But everything you feel, think and d… Started by Dr. Krishna Kumari Challa	1	Mar 20 Reply by Dr. Krishna Kumari Challa
What is 'eye stroke' and why has it been linked to weight loss injections? The phrase "eye stroke" has recently appeared in news reports about a very rare side effect of weight-loss injections. It's not a… Started by Dr. Krishna Kumari Challa	1	Mar 19 Reply by Dr. Krishna Kumari Challa
The menstrual cycle can make or break an athlete's performance Fluctuations in oestrogen and progesterone during the menstrual cycle can influence cognitive and physical aspects of athletic performance… Started by Dr. Krishna Kumari Challa	1	Mar 17 Reply by Dr. Krishna Kumari Challa
Dad, this is why I scream when ever I hurt myself! 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 when… Started by Dr. Krishna Kumari Challa	6	Mar 17 Reply by Dr. Krishna Kumari Challa
Crocodiles can have extra growth cycles in a year: This matters for estimating the age of dinosaurs In biology and paleontology (the study of extinct organisms) there are a few ways to estimate the age of an animal's skeleton. One is th… Started by Dr. Krishna Kumari Challa	1	Mar 17 Reply by Dr. Krishna Kumari Challa
Science and Spirituality Science and spirituality: Some people say science is against spirituality and scientists can’t understand the “inner worlds” of human being… Started by Dr. Krishna Kumari Challa	60	Mar 11 Reply by Dr. Krishna Kumari Challa
Why you can remember every word of a song from 25 years ago—but not why you walked into the room While driving recently, a long-forgotten song came on the radio. I found myself singing along; not only did I know all the lyrics to a son… Started by Dr. Krishna Kumari Challa	1	Mar 11 Reply by Dr. Krishna Kumari Challa