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The science of sighs We all sigh. While sighs are often attributed to sadness, anger, frustration, and angst, research indicates that sighing is a natural part… Started by Dr. Krishna Kumari Challa	1	Jun 17, 2020 Reply by Dr. Krishna Kumari Challa
Why one-size-fits-all diets don’t work – new study Author Tim SpectorProfessor of Genetic Epidemiology, King's College London The coronavirus pandemic has pushed health to the… Started by Dr. Krishna Kumari Challa	1	Jun 16, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - part 193 Q: What happens if we inject air accidentally into our blood stream? Krishna: Air Embolism happens! An air embolism, also called a gas embo… Started by Dr. Krishna Kumari Challa	1	Jun 13, 2020 Reply by Dr. Krishna Kumari Challa
The way conspiracy theories work and how to overcome them in a misleading world of media infodemics. I recently got a submission on one of my sci-com spaces. I was taken aback by this person's hatred-guided covid-19 conspiracy theory. Need… Started by Dr. Krishna Kumari Challa	1	Jun 13, 2020 Reply by Dr. Krishna Kumari Challa
COVID 19 : The 'mask' debate. Surgical masks were first used in France in 1897, but it wasn’t until the great Manchurian plague epidemic in China in 1910 that medical st… Started by Dr. Krishna Kumari Challa	5	Jun 12, 2020 Reply by Dr. Krishna Kumari Challa
Why do water bodies suddenly change colour Recently there was a sensational news in my part of the world. It seems suddenly the waters of a part of the river Krishna near Nagarjunsag… Started by Dr. Krishna Kumari Challa	2	Jun 10, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - part 192 Q: Why are chillies so hot? Is there any evolutionary benefit for this? Krishna: The hotness in chilli peppers has always been something of… Started by Dr. Krishna Kumari Challa	2	Jun 6, 2020 Reply by Dr. Krishna Kumari Challa
Science Communication in uncertain times How to handle confusion without misleading people at the same time helping them manage it. The COVID 19 Pandemic has thrown several uncerta… Started by Dr. Krishna Kumari Challa	2	Jun 6, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - Part 191 Q: I can't stand the continuous ringing of bells during prayer in my house. Is there something wrong with me? These sounds irritate me a lo… Started by Dr. Krishna Kumari Challa	1	May 31, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - Part 190 Q: Can we wash our cloth masks and reuse them? How can we wash our cloth masks? Should we use hot water? Krishna: While removing the cloth… Started by Dr. Krishna Kumari Challa	1	May 30, 2020 Reply by Dr. Krishna Kumari Challa