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How scientists are hacking bacteria to treat cancer, self-destruct, then vanish without a trace Bacteria are rapidly emerging as a new class of "living medicines" used to kill cancer cells. We're still a long way from a "cure" f… Started by Dr. Krishna Kumari Challa	1	Nov 11, 2025 Reply by Dr. Krishna Kumari Challa
Deepavali fireworks cause more distress than happiness! Oh, we have been celebrating Deepavali with fun and happiness minus fireworks for the past several years! Before somebody asks me 'How can… Started by Dr. Krishna Kumari Challa	4	Nov 5, 2025 Reply by Dr. Krishna Kumari Challa
Getting rid of plastic the natural way Headlines in the media screaming: Humans dump 8 million tonnes of plastics into the oceans each year. That's five grocery bags of plastic f… Started by Dr. Krishna Kumari Challa	14	Nov 5, 2025 Reply by Dr. Krishna Kumari Challa
Why do bats spread so many diseases? Q: Why do bats spread so many diseases? Let us start with positive things. In reality, bats are truly remarkable. Bats support our agricul… Started by Dr. Krishna Kumari Challa	2	Nov 5, 2025 Reply by Dr. Krishna Kumari Challa
Eureka! This universe is not a computer simulation! Mathematical proof debunks the idea that the universe is a computer simulation Didn’t know how to disprove this, but I always wanted to: It… Started by Dr. Krishna Kumari Challa	1	Oct 31, 2025 Reply by Dr. Krishna Kumari Challa
How forever chemicals (PFAS) are removed Q: A question for science : what process, substance or organic material will capture forever chemicals? K: Various substances and processes… Started by Dr. Krishna Kumari Challa	1	Oct 25, 2025 Reply by Dr. Krishna Kumari Challa
Should scientists even bother about the celebrity status? NO! Q: Kim Kardasian is a Celebrity. Why? Neil deGrasse Tyson is the only celebrity scientist I can think of. He's fascinating. Why are there s… Started by Dr. Krishna Kumari Challa	1	Oct 24, 2025 Reply by Dr. Krishna Kumari Challa
How higher states of consciousness can forever change your perception of reality A few years ago, I climbed over a gate and found myself gazing down at a valley. After I'd been walking for a few minutes, looking… Started by Dr. Krishna Kumari Challa	1	Oct 22, 2025 Reply by Dr. Krishna Kumari Challa
Why does it feel strange to walk on a glass bridge? Q: Why does it feel strange to walk on a glass bridge? Krishna: Yes, first watch these videos to understand how people feel It can… Started by Dr. Krishna Kumari Challa	1	Oct 21, 2025 Reply by Dr. Krishna Kumari Challa
Oceanography Q: What exactly does ocean research do? Krishna: It is a vast subject. Anyways, I will try to explain briefly. Ocean research, or ocean… Started by Dr. Krishna Kumari Challa	1	Oct 20, 2025 Reply by Dr. Krishna Kumari Challa