An exercise in experimental evolution using bacteria has been running for more than 20 years and 40,000 generations. The results to date provide a glimpse of a new world, and are cause for both delight and unease.
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Rainey, P. Arrhythmia of tempo and mode. Nature 461, 1219–1221 (2009). https://doi.org/10.1038/4611219a
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