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New Role for Lungs: Making Blood Cells in Mouse Lungs Produce Most Blood Platelets and Can Replenish Blood-Making Cells in Bone Marrow, Study Shows Using video microscopy… Started by Dr. Krishna Kumari Challa	1	Dec 23, 2023 Reply by Dr. Krishna Kumari Challa
Scientists develop the first method to measure cellular changes in the body over time While physicists continue to argue about whether time is indeed an illusion, as Albert Einstein claimed, biologists have no doubt about its… Started by Dr. Krishna Kumari Challa	1	Dec 22, 2023 Reply by Dr. Krishna Kumari Challa
Glitter is ready-made microplastic pollution—time to ditch it this festive season A few months ago, shoppers in Germany were reported to have been stockpiling decorative glitter. That's because it is now officially banned… Started by Dr. Krishna Kumari Challa	1	Dec 21, 2023 Reply by Dr. Krishna Kumari Challa
Can comets or meteorites in outer space contain extraterrestrial microscopic lifeforms? Q: Can comets or meteorites in outer space contain extraterrestrial microscopic lifeforms? Krishna: Panspermia (1) [from Ancient Greek … Started by Dr. Krishna Kumari Challa	1	Dec 19, 2023 Reply by Dr. Krishna Kumari Challa
Which animal is the most harmful of all? Q: Which animal is the most harmful of all? Krishna: Common men think it is the wild animals that are harmful. Sometime back we had a disc… Started by Dr. Krishna Kumari Challa	1	Dec 18, 2023 Reply by Dr. Krishna Kumari Challa
How the exact distance between Earth and a star is measured now Q: How do scientists measure the exact distance between Earth and a star? Krishna: Let me talk about recent work. A team of astronomers ha… Started by Dr. Krishna Kumari Challa	1	Dec 16, 2023 Reply by Dr. Krishna Kumari Challa
A cause of pregnancy sickness Sickness in pregnancy, or hyperemesis gravidarum, is common and is thought to affect seven out of ten women at some time in their pregnancy… Started by Dr. Krishna Kumari Challa	1	Dec 15, 2023 Reply by Dr. Krishna Kumari Challa
Why do we forget certain things but remember others Q: Why do we forget certain things but remember others, even though our brain is known for its memory storage capabilities? Is there a scie… Started by Dr. Krishna Kumari Challa	1	Dec 15, 2023 Reply by Dr. Krishna Kumari Challa
How much time will it take for the alcohol you consumed to affect your brain? Q: Is it true that it only takes six minutes for alcohol to affect your brain? Krishna: That depends! On the strength of your drink ,… Started by Dr. Krishna Kumari Challa	1	Dec 13, 2023 Reply by Dr. Krishna Kumari Challa
My answers to questions on science -2 Q: How can we boost our immune systems to the extent that we don't get any diseases? Krishna: You actually don't want your immune system to… Started by Dr. Krishna Kumari Challa	1	Dec 6, 2023 Reply by Dr. Krishna Kumari Challa