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Qs people asked em on science and my replies to them - part 183 Q: How can we control elephants that are destroying our crops? Krishna: We ourselves are responsible for this behaviour of elephants. We a… Started by Dr. Krishna Kumari Challa	1	Apr 21, 2020 Reply by Dr. Krishna Kumari Challa
Why your fingers shrink when soaked in water and Why you lose your voice after screaming Some questions people ask .... Water can make skin on our fingers and toes wrinkly. Why does that happen? Earlier people used to think osmo… Started by Dr. Krishna Kumari Challa	1	Apr 21, 2020 Reply by Dr. Krishna Kumari Challa
Overcoming bacterial resistance: Using bioinspired engineering Nanomachine mechanism Nanotechnology is an emerging field devoted to providing new insight into a vast range of subjects interfacing sciences and engineering. A… Started by Dr. Krishna Kumari Challa	1	Apr 17, 2020 Reply by Dr. Krishna Kumari Challa
'Panic reactions' can make things worse for people India today reports that Maharashtra seeks permission to use BCG vaccine for clinical tests on Covid-19 cases https://www.indiatoday.in/i… Started by Dr. Krishna Kumari Challa	1	Apr 15, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - part 182 Q: Why do some people can't fight infections? Krishna: Immuno-compromised people cannot fight infections properly like healthy people do. W… Started by Dr. Krishna Kumari Challa	1	Apr 15, 2020 Reply by Dr. Krishna Kumari Challa
The truth about disinfection tunnels The Covid 19 fear has created all sorts of chaos. People are desperately trying to do all that they can to keep safe. "Keeping safe" has b… Started by Dr. Krishna Kumari Challa	1	Apr 14, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - Part 181 Q: Can we handle and have food immediately after using hand sanitizer? Krishna: You should wash your hand if you use hand sanitizers befor… Started by Dr. Krishna Kumari Challa	1	Apr 14, 2020 Reply by Dr. Krishna Kumari Challa
Rubber hand illusion is being challenged Psychological experiments pose a problem most of the time. They also have 'reproduction problems' because human psychology is highly comple… Started by Dr. Krishna Kumari Challa	1	Apr 11, 2020 Reply by Dr. Krishna Kumari Challa
Can air purifiers filter viral particles? Can air purifiers filter viral particles? My mail in box is being flooded by mails now asking me to buy air filters to keep CORONA viruses… Started by Dr. Krishna Kumari Challa	1	Apr 11, 2020 Reply by Dr. Krishna Kumari Challa
Clinical Experiments: Blood plasma from COVID19 survivors is being used to treat new patients Desperate Times Call for Desperate Measures We are passing through one such situation now. COVID19 pandemic. Thousands of people around… Started by Dr. Krishna Kumari Challa	1	Apr 10, 2020 Reply by Dr. Krishna Kumari Challa