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Dr. Krishna Kumari Challa's Discussions (7,970)

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Discussions Replied To (2475)	Replies	Latest Activity
"13" Dr. Krishna Kumari Challa replied 4 hours ago to Only by returning carbon to the ground is net zero truly possible	1	4 hours ago Reply by Dr. Krishna Kumari Challa
"13" Dr. Krishna Kumari Challa replied yesterday to Science and ethics: Is it ever OK for scientists to experiment on themselves?	1	yesterday Reply by Dr. Krishna Kumari Challa
"11" Dr. Krishna Kumari Challa replied on Tuesday to Why auroras have different colours	1	on Tuesday Reply by Dr. Krishna Kumari Challa
"31" Dr. Krishna Kumari Challa replied on Tuesday to Why do dead bodies float in the water?	1	on Tuesday Reply by Dr. Krishna Kumari Challa
"Self-treatment sparks ethics debate Even scientists can’t do this to themselves!…" Dr. Krishna Kumari Challa replied on Monday to Science and Ethics	7	on Monday Reply by Dr. Krishna Kumari Challa
"11" Dr. Krishna Kumari Challa replied on Monday to Animals that behave differently in moonlight	1	on Monday Reply by Dr. Krishna Kumari Challa
"World's largest active volcano Mauna Loa showed telltale warning signs before erupti…" Dr. Krishna Kumari Challa replied on Monday to The 'crystal balls' that can predict eruptions of volcanoes: Crystals hold a secret history of volcanoes—and clues about future eruptions	2	on Monday Reply by Dr. Krishna Kumari Challa
"Human induced evolution A native New Zealand insect that once mimicked its toxic nei…" Dr. Krishna Kumari Challa replied Nov 14 to Ah! Another evolution episode before your own eyes!	8	Nov 14 Reply by Dr. Krishna Kumari Challa
"31" Dr. Krishna Kumari Challa replied Nov 14 to Why airlines cancel flights after volcanic eruptions	1	Nov 14 Reply by Dr. Krishna Kumari Challa
"13" Dr. Krishna Kumari Challa replied Nov 14 to Study questions gut bacteria–disease link	1	Nov 14 Reply by Dr. Krishna Kumari Challa