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How plants produce defensive toxins without harming themselves Plants produce toxic substances to defend themselves against herbivores. In a new study, scientists were able to describe in detail the bio… Started by Dr. Krishna Kumari Challa	2	Feb 4, 2021 Reply by Dr. Krishna Kumari Challa
Using Physics makes us understand the dynamics of virus reproduction in a better way The reproductive cycle of viruses requires self-assembly, maturation of virus particles and, after infection, the release of genetic materi… Started by Dr. Krishna Kumari Challa	2	Feb 4, 2021 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - part 224 Q: Can we take vaccines while taking blood thinners, some say we can and some say we can't. Which one is correct? Krishna: First click on… Started by Dr. Krishna Kumari Challa	2	Feb 4, 2021 Reply by Dr. Krishna Kumari Challa
Vaccine Vigyan Vaccine vigyan Started by Dr. Krishna Kumari Challa	3	Feb 4, 2021 Reply by Dr. Krishna Kumari Challa
Hormones are key in brain health differences between men and women Hormones are key in brain health differences between men and women Over the past few decades, researchers have uncovered countless ways in… Started by Dr. Krishna Kumari Challa	1	Feb 3, 2021 Reply by Dr. Krishna Kumari Challa
Qs people asked me on science and my replies to them - Part 130 Q: How can a pilot ejecting from a fighter jet get hurt? Krishna: In aircraft, an ejection seat or ejector seat is a system designed to re… Started by Dr. Krishna Kumari Challa	2	Feb 3, 2021 Reply by Dr. Krishna Kumari Challa
Human psychology: Use of pronouns may show signs of an impeding breakup Evidence of an impending breakup may exist in the small words used in everyday conversations months before either partner realizes where th… Started by Dr. Krishna Kumari Challa	1	Feb 2, 2021 Reply by Dr. Krishna Kumari Challa
Why humans can produce trillions of disease-fighting antibodies New insights into B cells and why humans can produce trillions of disease-fighting antibodies Antibody production is at the core of concern… Started by Dr. Krishna Kumari Challa	1	Feb 2, 2021 Reply by Dr. Krishna Kumari Challa
Vaccine wars escalate as mutations and new antibody escape variants raise the bar Who said next war in the world would be fought over water? People and countries are fighting wars over vaccines now! When a new mutation wi… Started by Dr. Krishna Kumari Challa	1	Feb 1, 2021 Reply by Dr. Krishna Kumari Challa
Wars over vaccines Who said the next war in the world would be fought over water? People and countries are fighting wars over vaccines now! When a new mutati… Started by Dr. Krishna Kumari Challa	1	Feb 1, 2021 Reply by Dr. Krishna Kumari Challa