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Baseless beliefs Vs informed imagination (or educated guessing) Sometime back a rationalist was killed in Maharashtra (Indian State) for educating people about the truth of witchcraft. We had a discussio… Started by Dr. Krishna Kumari Challa	2	Jan 15, 2025 Reply by Dr. Krishna Kumari Challa
Firefighting planes are dumping ocean water on the Los Angeles fires. Why using saltwater is typically a last resort Firefighters battling the deadly wildfires that raced through the Los Angeles area in January 2025 have been hampered by a limited supply o… Started by Dr. Krishna Kumari Challa	1	Jan 14, 2025 Reply by Dr. Krishna Kumari Challa
The Perils of Artificial Intelligence Increased AI use linked to eroding critical thinking skills Image source: iStock As it is, most people don't think critically. Now the ot… Started by Dr. Krishna Kumari Challa	1	Jan 14, 2025 Reply by Dr. Krishna Kumari Challa
LA fires show the human cost of climate-driven ‘whiplash’ between wet and dry extremes October to April is normally considered to be the wet season in California, yet this January, the region is experiencing some of the most d… Started by Dr. Krishna Kumari Challa	1	Jan 13, 2025 Reply by Dr. Krishna Kumari Challa
Why space exploration is so fascinating to humanity Q: Why is space exploration so fascinating to humanity? Krishna: Yes, most people agree on this: space exploration is highly fascinating! … Started by Dr. Krishna Kumari Challa	1	Jan 13, 2025 Reply by Dr. Krishna Kumari Challa
Using mosquitoes to vaccinate humanity Q: How can mosquitoes be used to vaccinate humanity? Image credit: Nature Journal ————————————— Krishna: Yes, scientists are trying… Started by Dr. Krishna Kumari Challa	1	Jan 12, 2025 Reply by Dr. Krishna Kumari Challa
Hypothermia signs Q: You have told us about heat stroke. But what about excessive cold? Krishna: Hypothermia. You usually don't hear about it in India unles… Started by Dr. Krishna Kumari Challa	1	Jan 11, 2025 Reply by Dr. Krishna Kumari Challa
Exercise is good! But not that good!! Atleast for some pains and patients!!! Rewriting recommendations Can exercise really ease knee pain? Movement is medicine, or so they tell people with knee osteoarthritis—but are… Started by Dr. Krishna Kumari Challa	1	Jan 10, 2025 Reply by Dr. Krishna Kumari Challa
Please leave the sea shells by the seashore When I (Nathan Brooks English) was six years old, I snuck a starfish home from the beach and hid it in my closet. I regret that now, as my… Started by Dr. Krishna Kumari Challa	1	Jan 10, 2025 Reply by Dr. Krishna Kumari Challa
Do natural fabrics really keep us cooler in summer? Here's the science As the weather warms, many of us reach for light-coloured clothes in natural fabrics, such as cotton and linen. But why are natural fabri… Started by Dr. Krishna Kumari Challa	1	Jan 7, 2025 Reply by Dr. Krishna Kumari Challa