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Prof. Upinder S. Bhalla has been awarded the Sastra-Obaid Siddiqi Award 2020 for his contributions to the Life Sciences. On National Science Day, 28th February 2020, he delivered a lecture to students at Sastra University titled: “Molecules, memory & math models”. He emphasised some of Prof Obaid Siddiqi's qualities of being positive and adventurous in his science and his career choices.
If you have spent some time by the pond near the main canteen on campus, you might have noticed t
If you have spent some time by the pond near the main canteen on campus, you might have noticed tiny damselflies zipping along by the edge of the pond. Because they are so small, you have to look closely to see their beautiful, vivid reds and blues. What do these colours mean? Do they signal something, and to whom? As humans, we signal a lot with the colour of our clothes, and have the luxury of changing them at will. For most animals, colour is not really a behavioural choice, but reflects myriad selection pressures in their evolutionary history.
“The world will not be inherited by the strongest; it will be inherited by those most able to change.”
This quote by evolutionary biologist Charles Darwin is quite appreciable in the microscopic world of bacteria and viruses.
Bacteria, in the natural world are swamped by a myriad of environmental stressors. Changes at the genetic level often beget bacterial adaptations to these challenges, helping them find a fine balance between growth and stress tolerance.