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How fingerprints get their unique whorls This Q intrigued both scientists and common people for ages. Now an international team of scientists with a myriad of backgrounds has revea… Started by Dr. Krishna Kumari Challa	2	Feb 19 Reply by Dr. Krishna Kumari Challa
Why did life evolve to be so colorful? Research is starting to give us some answers image source: Google Picture a primordial Earth: a world of muted browns, grays and greens. Fast forward to today, and Earth teems wit… Started by Dr. Krishna Kumari Challa	1	Feb 18 Reply by Dr. Krishna Kumari Challa
How do animals maintain their dental hygiene? Q: Animals do not brush daily. How do they maintain strong sharp teeth for biting (their preys) other animals? Krishna: Animals do fac… Started by Dr. Krishna Kumari Challa	1	Feb 16 Reply by Dr. Krishna Kumari Challa
What might happen when you take lots of medicines... What might happen when you take lots of medicines... One of our uncles died of liver cirrhosis ten years back. He never touched alcohol in… Started by Dr. Krishna Kumari Challa	13	Feb 14 Reply by Dr. Krishna Kumari Challa
Emerging area of Biology: processes that have evolved to function after death of an organism Can organisms help others around even after their death? Bacteria evolved to help neighboring cells after death, new research reveals E. c… Started by Dr. Krishna Kumari Challa	1	Feb 14 Reply by Dr. Krishna Kumari Challa
How to successfully negotiate the science communication maze Q: Why do you think despite numerous science communication projects undertaken all over the world, they are not succeeding like they should… Started by Dr. Krishna Kumari Challa	2	Feb 13 Reply by Dr. Krishna Kumari Challa
The reason for several sex differences in human diseases Researchers made an unexpected discovery while investigating genetically unique women. Their insights advance our understanding of our mos… Started by Dr. Krishna Kumari Challa	1	Feb 12 Reply by Dr. Krishna Kumari Challa
Mirror life is a scientific fantasy leading to a dangerous reality. How mirror bacteria could conquer life on Earth Most major biological molecules, including all proteins, DNA and RNA, point in one direction or another. In other words, they are chiral… Started by Dr. Krishna Kumari Challa	1	Feb 12 Reply by Dr. Krishna Kumari Challa
Why women who never smoked cigarettes are getting cancer now more frequently Q: Why is it that someone can smoke for 20 years without getting cancer; while someone who has never smoked can be diagnosed with lung canc… Started by Dr. Krishna Kumari Challa	1	Feb 12 Reply by Dr. Krishna Kumari Challa
Why is there an increase in lung cancer among women who have never smoked? People ask me this question very frequently. So these are the answers scientists provide .... Lung cancer cases are increasing in people w… Started by Dr. Krishna Kumari Challa	1	Feb 12 Reply by Dr. Krishna Kumari Challa