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Science Simplified! Discussions (1,812)

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What influences handedness? Q: Why are only some people left-handed? Are there any genes behind this? Krishna: Researchers examined rare genetic variants from a datab… Started by Dr. Krishna Kumari Challa	1	Mar 30 Reply by Dr. Krishna Kumari Challa
Neuroplasticity Q: How does neuroplasticity work in the human brain? Krishna: Neuroplasticity is the brain's lifelong ability to reorganize its structure,… Started by Dr. Krishna Kumari Challa	1	Mar 30 Reply by Dr. Krishna Kumari Challa
How obesity increases cancer risk Obesity increases cancer risk by causing organs such as the liver, kidneys, and pancreas to enlarge primarily through an increase in cell… Started by Dr. Krishna Kumari Challa	1	Mar 28 Reply by Dr. Krishna Kumari Challa
Rules to follow before visiting sick patents in hospitals Q: Is it okay if we visit patients in Indian hospitals? I heard they won't allow that in some other countries. What is the right procedure… Started by Dr. Krishna Kumari Challa	1	Mar 28 Reply by Dr. Krishna Kumari Challa
A good doctor is the one who has the right knowledge about his patient's health condition Q: Who, according to you, is a good doctor? Krishna: "Good" denotes morality most of the time. So people who give importance to it usually… Started by Dr. Krishna Kumari Challa	1	Mar 28 Reply by Dr. Krishna Kumari Challa
Can viruses infect other viruses? Q: Can viruses infect other viruses? Krishna: A virus is not alive outside of living beings. It has no metabolism, it takes nothing into it… Started by Dr. Krishna Kumari Challa	1	Mar 26 Reply by Dr. Krishna Kumari Challa
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
Your Biological Age Can Be Different From Your Actual (Chronological)Age! Recently I have seen an old lady teasing an young girl who became breathless after climbing up a few steps. "Look I am 78. But still I can… Started by Dr. Krishna Kumari Challa	19	Mar 20 Reply by Dr. Krishna Kumari Challa