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Changes in ocean chemistry show how sea level affects global carbon cycle A new analysis of strontium isotopes in marine sediments has enabled scientists to reconstruct fluctuations in ocean chemistry related to… Started by Dr. Krishna Kumari Challa	1	Mar 26, 2021 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - part 217 Countering misinformation on vaccines Q: Ma'am, I am getting several forwarded messages on social media regarding safety of COVID vaccines.… Started by Dr. Krishna Kumari Challa	4	Mar 25, 2021 Reply by Dr. Krishna Kumari Challa
Why you should go for the COVID vaccines despite the uncertainty There are antivaxxers. Then there are antiscience people and skeptics propagating misinformation. Recently I have observed that many vide… Started by Dr. Krishna Kumari Challa	2	Mar 25, 2021 Reply by Dr. Krishna Kumari Challa
Qs people asked about science and my replies to them -Part 234 Q: Is it true that plants can understand our emotions? Krishna: Plants may not have feelings but they are indeed alive and have been descr… Started by Dr. Krishna Kumari Challa	1	Mar 21, 2021 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - Part 179 Q: Can 5 G cause corona virus infection? Krishna: "Cause corona virus infection?" NO! There is a conspiracy theory falsely claiming that 5G… Started by Dr. Krishna Kumari Challa	2	Mar 20, 2021 Reply by Dr. Krishna Kumari Challa
Qs people asked about science and my replies to them -Part 232 Q: Doctors are giving conflicting advice. Allopathic doctors say one thing. Nature cure doctors say the opposite thing. Ayurvedic doctors s… Started by Dr. Krishna Kumari Challa	1	Mar 18, 2021 Reply by Dr. Krishna Kumari Challa
Qs people asked about science and my replies to them -Part 233 Q: I am afraid of injections. Although I want to take vaccine for Covid 19, my fear for needle pricks is keeping me away. What should I do?… Started by Dr. Krishna Kumari Challa	1	Mar 17, 2021 Reply by Dr. Krishna Kumari Challa
Optical illusion: superior mirage What is this ship illusion? Pic source: BBC.CO.UK A rare optical illusion has made it seem like a ship is floating in the air above the s… Started by Dr. Krishna Kumari Challa	1	Mar 16, 2021 Reply by Dr. Krishna Kumari Challa
Can we eat non-veg during a fever? Q: Can we eat non-veg during a fever? Krishna: Feed a cold, starve a fever. This maxim typically dates back many years, and has been… Started by Dr. Krishna Kumari Challa	1	Mar 16, 2021 Reply by Dr. Krishna Kumari Challa
Why is there a gap between 2 doses of coronavirus vaccine? Q: Why is there a gap of around 28 days between 2 doses of coronavirus vaccine? What are scientific facts and evidences behind arriving at… Started by Dr. Krishna Kumari Challa	1	Mar 9, 2021 Reply by Dr. Krishna Kumari Challa