A Ticking Evolutionary Clock

How quickly will a gene’s rate of evolution slow to a crawl?

Pradeep Mutalik, Quanta Magazine

After a string of Insights puzzles related to physics, on the relationship between time and entropy, half-lives, overhang and quantum weirdness, we turn this month to the mysteries of biological evolution. Carrie Arnold’s article, “Evolution Runs Faster on Short Timescales,” explores new research showing that genetic changes that are quite brisk when measured over a few generations seem to slow down considerably when measured over millions of years.

Read the original article…

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