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Co-operative Camouflage or chance appearance? When you are just a small creature in a world of things that want to eat you, one of the best strategies is to become invisible. No, not… Started by Dr. Krishna Kumari Challa	2	Mar 18 Reply by Dr. Krishna Kumari Challa
Ah! Another evolution episode before your own eyes! Earlier I wrote about convergent evolution that took very little time(1). Now we have another story of rapid one to show the deniers! Denie… Started by Dr. Krishna Kumari Challa	10	Mar 14 Reply by Dr. Krishna Kumari Challa
Convergent evolution before your eyes! Many times people who are evolution deniers (creationists) argue that there is no proof of evolution. It takes thousands of years for evolu… Started by Dr. Krishna Kumari Challa	16	Mar 14 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	4	Mar 14 Reply by Dr. Krishna Kumari Challa
Does snake venom cause death if you drink it? Q: Dr. Krishna, I read your answer to the question, "What is the difference between venomous snakes and poisonous snakes?" the-difference-… Started by Dr. Krishna Kumari Challa	3	Mar 14 Reply by Dr. Krishna Kumari Challa
Another frontier fallen to scientists: the Parkinson's mystery Researchers have made a huge leap forward in the fight against Parkinson's disease, solving a decades-long mystery that paves the way for… Started by Dr. Krishna Kumari Challa	1	Mar 14 Reply by Dr. Krishna Kumari Challa
A hidden world of predator evasion and camouflage in snakes through secret code of UV colour In the study of why and how animals look the way they do, colour is king—at least, the range of colour humans can see. A new study by rese… Started by Dr. Krishna Kumari Challa	1	Mar 14 Reply by Dr. Krishna Kumari Challa
Changes in bats' diets can increase spread of viruses and spillover risk Image source: dreamstime.com A multi-institution team designed this study, including behavioral ecologists, immunologists, virologists and… Started by Dr. Krishna Kumari Challa	1	Mar 14 Reply by Dr. Krishna Kumari Challa
How did Krishna become blue as he was originally black? Q: How did Krishna become blue as he was originally black? Krishna: I will answer this question from a scientific point of view. Image sou… Started by Dr. Krishna Kumari Challa	1	Mar 13 Reply by Dr. Krishna Kumari Challa
How do researchers determine how toxic a chemical is? A toxicologist explains A vast number of chemicals are registered for production and use around the world. But only a portion have been thoroughly evaluated… Started by Dr. Krishna Kumari Challa	1	Mar 13 Reply by Dr. Krishna Kumari Challa