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May 2025

Harken to the fish

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From ‘Meghalaya’s new cave-dwelling fish adapts to streams overground’, The Hindu, May 25, 2025: An underground cave in Meghalaya, in focus for a conflict over a Shivalinga-like stone formation, has yielded a new-to-science fish that… 

The Berry phase of Kancha Gachibowli

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There’s a concept in quantum mechanics, and also in parts of classical mechanics, called the Berry phase. Say you’re walking around a mountain. You start off along a path and follow it all the way…