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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
Poisonous Datura fruits don't prevent COVID-19 Yesterday the local news papers have reported cases of datura poisoning (1,4). Eleven people in Andhra Pradesh’s Chittoor district were hos… Started by Dr. Krishna Kumari Challa	2	Apr 9, 2020 Reply by Sharath
Qs people asked me on science and my replies to them - part 180 - GEOSMIN Q: Why do we get a sweet smell when it rains? Krishna: Geosmin! Heard about it? Image source: Google images Geosmin is an organic compound… Started by Dr. Krishna Kumari Challa	1	Apr 8, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked on science and answered by other experts - 1 I have added about 500 articles written by me alone in this group. Now let me bring articles and answers written/given by other experts to… Started by Dr. Krishna Kumari Challa	1	Apr 5, 2020 Reply by Dr. Krishna Kumari Challa
Some videos on Corona virus Everything you need to know about COVID 19 ... explained in simple terms ... Video: Coronavirus Vaccine: Where are we and what's next?… Started by Dr. Krishna Kumari Challa	1	Apr 4, 2020 Reply by Dr. Krishna Kumari Challa
What is an infectious dose of viral particles? Q: Dr. Krishna, can one or two viral particles cause an infection? Krishna: That depends. The average number of viral particles needed to… Started by Dr. Krishna Kumari Challa	1	Apr 3, 2020 Reply by Dr. Krishna Kumari Challa
Why do we feel false sensations of hot and cold on our tongues and in our mouth Q: Why do curries made of chillies taste very hot ? Krishna: Yes, chillies are hot while mint is cold. Our nervous system is packed with r… Started by Dr. Krishna Kumari Challa	1	Apr 3, 2020 Reply by Dr. Krishna Kumari Challa