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Mosquito blood DNA can be used to detect crimes Q: Can mosquito blood DNA be used to detect crimes? Krishna: There was a case report from China (1). We really can't confirm the authentici… Started by Dr. Krishna Kumari Challa	4	Sep 22, 2022 Reply by Dr. Krishna Kumari Challa
Real reason to turn on airplane mode when you fly We all know the routine by heart: "Please ensure your seats are in the upright position, tray tables stowed, window shades are up, laptops… Started by Dr. Krishna Kumari Challa	1	Sep 21, 2022 Reply by Dr. Krishna Kumari Challa
Why the cancer in the under 50s is rising globally We know what we need to do to reduce our risk of getting cancer, right? Wear SPF, stop smoking, avoid processed foods, keep fit, lose w… Started by Dr. Krishna Kumari Challa	1	Sep 21, 2022 Reply by Dr. Krishna Kumari Challa
Things that affect Milk Freezing Q: Why does milk not freeze in a normal freezer? Is there any scientific reason behind it? Krishna: Several things influence freezing… Started by Dr. Krishna Kumari Challa	1	Sep 19, 2022 Reply by Dr. Krishna Kumari Challa
Qs on venomous animals and their venom Q: Can scorpion bites kill people? Krishna: Yes! In typical cases, scorpion stings usually result in pain, paresthesia [an abnormal sensat… Started by Dr. Krishna Kumari Challa	1	Sep 17, 2022 Reply by Dr. Krishna Kumari Challa
SARS-CoV-2 infection, vaccination and antibody response trajectories in adults A prospective seroprevalence study in the Catalan population underlines the need to get vaccinated despite having been infected, and confir… Started by Dr. Krishna Kumari Challa	1	Sep 17, 2022 Reply by Dr. Krishna Kumari Challa
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