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Qs people asked me on science and my replies to them -part 172 Q; What are the differences between DNA viruses and RNA viruses? Krishna: The following differences have been observed between DNA and RNA… Started by Dr. Krishna Kumari Challa	1	Mar 16, 2020 Reply by Dr. Krishna Kumari Challa
How the monarch butterflies evolved their resistance to toxic milkweed they eat and then retained some of the toxin in their bodies to become toxic to their predators How the monarch butterfly evolved its resistance to toxic milkweed they eat and then retained some of the toxin in their bodies—as monarchs… Started by Dr. Krishna Kumari Challa	1	Mar 16, 2020 Reply by Dr. Krishna Kumari Challa
Get this right: Brains are not differentiated into pink and blue ones Picture a scientist in your head: the image is likely to be male. We're just wired that way. The same wiring causes internal dissonance w… Started by Dr. Krishna Kumari Challa	2	Mar 13, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked about science and my replies to them -Part 170 Q: As infections like corona virus come from eating non-veg food, does vegetarian food protect you from infection? Krishna: This is a myth… Started by Dr. Krishna Kumari Challa	5	Mar 12, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - part 171 Q:Sometimes I feel someone is giving me an immediate push while I was asleep, like a ghost kicking me with a sound which makes me wake up.… Started by Dr. Krishna Kumari Challa	1	Mar 10, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - Part 168 Q: What is third hand smoke? How can it efffect us? Krishna: People can carry hazardous compounds from cigarette smoke that cling to their… Started by Dr. Krishna Kumari Challa	5	Mar 6, 2020 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - part 169 Q: Why do most Indians believe in nonsense myths and don't hunt for real science or logic behind it? Krishna: When I read the answers… Started by Dr. Krishna Kumari Challa	1	Mar 2, 2020 Reply by Dr. Krishna Kumari Challa
The facts behind sagothra marriages Interestingly I recently got a question from a person asking about Sagothra marriages: "Krishna Mam, Recently I came across an article tha… Started by Dr. Krishna Kumari Challa	1	Mar 1, 2020 Reply by Dr. Krishna Kumari Challa
Is research breaking the speed of light correct? Yes, in an emergency situation for scientists. Several people asked me this question in the past one month: Wuhan coronavirus Wuhan coronavirus research results are being distributed on… Started by Dr. Krishna Kumari Challa	1	Feb 19, 2020 Reply by Dr. Krishna Kumari Challa
How God men and other people walk on fire without getting burnt Some people walk on fire without getting burnt. How do they do it? Are there any miracles involved? No, is the answer. It just is plain sc… Started by Dr. Krishna Kumari Challa	1	Feb 18, 2020 Reply by Dr. Krishna Kumari Challa