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Limits of human performance?

Q: What are the limits of human performance? Krishna: Mental limits or physical limits? According to sports scientists, the marathon provid…

Started by Dr. Krishna Kumari Challa

1 Sep 17, 2022
Reply by Dr. Krishna Kumari Challa

Lowering blood sugar levels without medicines

How can I lower my blood sugar without medicine? That depends on several things. I think this is now a common knowledge. Anyway, let us…

Started by Dr. Krishna Kumari Challa

1 Sep 17, 2022
Reply by Dr. Krishna Kumari Challa

Stroke: young people can have them too!

American rapper Kid Cudi shared recently that he suffered a stroke in 2016 at age 32, while in rehab for his mental health. His stroke resu…

Started by Dr. Krishna Kumari Challa

1 Sep 15, 2022
Reply by Dr. Krishna Kumari Challa

Future - proof Science?!

Astronomers once believed the Sun revolved around the Earth. In the 19th century, scientists thought the shape of a person’s skull could re…

Started by Dr. Krishna Kumari Challa

1 Sep 15, 2022
Reply by Dr. Krishna Kumari Challa

Ultra-processed foods: it’s not just their low nutritional value that’s a concern

In countries such as the UK, US and Canada, ultra-processed foods now account for 50% or more of calories consumed. This is concerning…

Started by Dr. Krishna Kumari Challa

1 Sep 13, 2022
Reply by Dr. Krishna Kumari Challa

Why do humans walk upright? The secret is in our pelvis!

The  design of human pelvis makes possible for humans to walk upright on two legs (unlike our primate cousins) and it makes it possible for…

Started by Dr. Krishna Kumari Challa

1 Sep 13, 2022
Reply by Dr. Krishna Kumari Challa

What state of matter is 'fire', solid, liquid, gas, or plasma?

Q: What state of matter is 'fire', solid, liquid, gas, or plasma? Krishna:  A flame is glowing combustion products. Fire is the rapid oxida…

Started by Dr. Krishna Kumari Challa

1 Sep 13, 2022
Reply by Dr. Krishna Kumari Challa

Neanderthals died out 40,000 years ago, but there has never been more of their DNA on Earth

Credit: Tom Björklund / Moesgård Museum, Author provided Neanderthals have served as a reflection of our own humanity since they were f…

Started by Dr. Krishna Kumari Challa

1 Sep 12, 2022
Reply by Dr. Krishna Kumari Challa

Stone babies

Q: I heard that women can sometimes carry stones instead of babies in their wombs. Is this true? Krishna: What you think stones are actuall…

Started by Dr. Krishna Kumari Challa

1 Sep 12, 2022
Reply by Dr. Krishna Kumari Challa

The influence of researcher sex on experimental outcomes

Yes, you read it right! The sex of the researcher can influence results of mouse experiments Ketamine appears to be more effective as an an…

Started by Dr. Krishna Kumari Challa

1 Sep 10, 2022
Reply by Dr. Krishna Kumari Challa

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