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Dr. Krishna Kumari Challa's Discussions (8,858)

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Discussions Replied To (2911)	Replies	Latest Activity
"11" Dr. Krishna Kumari Challa replied on Saturday to Five warning signs that rivers are polluted—even when they look clean	1	on Saturday Reply by Dr. Krishna Kumari Challa
"9" Dr. Krishna Kumari Challa replied on Friday to Artemis II crew will endure 3,000°C on re‑entry. A hypersonics expert explains how they will survive	1	on Friday Reply by Dr. Krishna Kumari Challa
"9" Dr. Krishna Kumari Challa replied on Thursday to Hummingbirds enter overnight hibernation-like state to save energy	1	on Thursday Reply by Dr. Krishna Kumari Challa
"The success story of rinderpest eradication shows how helpful vaccines are Source: A…" Dr. Krishna Kumari Challa replied on Wednesday to Vaccine woes	19	on Wednesday Reply by Dr. Krishna Kumari Challa
"Faces in the clouds? Researchers examine pareidolia Humans are masters of seeing fac…" Dr. Krishna Kumari Challa replied on Wednesday to How dust or even hair can fool people when they don't try to use their brains properly!	5	on Wednesday Reply by Dr. Krishna Kumari Challa
"The Violent Physics F-15E Pilots Faced Ejecting from Fighter Jet " Dr. Krishna Kumari Challa replied Apr 7 to Science's rules are unyielding, they will not be bent in any way for anybody or anything!	2	Apr 7 Reply by Dr. Krishna Kumari Challa
"" Dr. Krishna Kumari Challa replied Apr 6 to What might happen when you take lots of medicines...	22	Apr 6 Reply by Dr. Krishna Kumari Challa
""Lucky" people create their own fortune through four main principles: noticing chanc…" Dr. Krishna Kumari Challa replied Apr 5 to What is 'luck' according to science	3	Apr 5 Reply by Dr. Krishna Kumari Challa
"Cannabis and tobacco use linked to smaller brain volume Cannabis and tobacco use are…" Dr. Krishna Kumari Challa replied Apr 1 to Effects of pregnant women smoking and drinking on their fetuses	8	Apr 1 Reply by Dr. Krishna Kumari Challa
"13" Dr. Krishna Kumari Challa replied Mar 30 to Scientists are exploring brain cooling as a defense against altitude sickness	1	Mar 30 Reply by Dr. Krishna Kumari Challa