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How scientific illiteracy can harm you...

                                                                  Interactive science series “Science literacy is a vaccine against the ch…

Started by Dr. Krishna Kumari ChallaLatest Reply

What might happen when you take lots of medicines...

What might happen when you take lots of medicines... One of our uncles died of liver cirrhosis ten years back. He never touched alcohol in…

Started by Dr. Krishna Kumari ChallaLatest Reply

Literate people living in urban areas are too scientifically illiterate!

                            "If you are scientifically literate the world looks very different to you" Literate people living in urban are…

Started by Dr. Krishna Kumari ChallaLatest Reply

Discussions Replies Latest Activity

Is human body a super-organism?!

Q: Is the human race a superorganism? Krishna: Not entire human race. The human body? To some extent! Recently somebody told me they f…

Started by Dr. Krishna Kumari Challa

1 2 hours ago
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Why Generic drugs are important

A generic drug  (or generics in plural) is a drug defined as "a drug product that is comparable to a brand/reference listed drug product in…

Started by Dr. Krishna Kumari Challa

2 23 hours ago
Reply by Dr. Krishna Kumari Challa

Different routes of drug administration

Q: What are the different routes of drug administration, and how do they affect drug bioavailability? A medication administration route…

Started by Dr. Krishna Kumari Challa

1 yesterday
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The magic of Bioluminescence

Imagine walking on a street at night. You see all artificial lights now. But what if scientists create plants that glow in the dark and pl…

Started by Dr. Krishna Kumari Challa

3 yesterday
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Is it possible to measure non-material things like thoughts or emotions using scientific methods?

Q: Is it possible to measure non-material things like thoughts or emotions using scientific methods? Krishna: We all have thoughts.  We’re…

Started by Dr. Krishna Kumari Challa

1 on Thursday
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The three scientific cultures and their relevance to Biology

Researchers who study Earth's biosphere tend to operate from one of three scientific cultures, each with distinct ways of conducting scienc…

Started by Dr. Krishna Kumari Challa

1 on Wednesday
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Baking powder and baking soda

Q; What is the difference between using fermentation method and baking soda while preparing food? Q: Is it harmful to use baking powder and…

Started by Dr. Krishna Kumari Challa

1 on Wednesday
Reply by Dr. Krishna Kumari Challa

Light can vaporize water without the need for heat!

It's the most fundamental of processes—the evaporation of water from the surfaces of oceans and lakes, the burning off of fog in the mornin…

Started by Dr. Krishna Kumari Challa

1 on Wednesday
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Metal cutting by lasers

Q: Can other metals be impenetrable, resistant and/or immune to lasers? Krishna:  Lasers ( source: deposit photos) The term LASER…

Started by Dr. Krishna Kumari Challa

1 on Wednesday
Reply by Dr. Krishna Kumari Challa

My answers to questions on science -4

Q: Why does it feel very sultry when it rains in summer?  Krishna: :) When I was very young, a person gave this answer to this Q when I ask…

Started by Dr. Krishna Kumari Challa

1 Apr 20
Reply by Dr. Krishna Kumari Challa

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