Quirks & Quarks for Oct. 24 2015
We celebrate 100 years of Einstein's Theory of General Relativity. Also, the loudest Howler monkeys have little to brag about, Dung beetles double-crossed by plants, and Shrinking Arctic butterflies.
100 years of General Relativity, and more
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Theme music bed copyright Raphaël Gluckstein, Creative Commons License by-nc-nd-2.0