Does Stress Speed Up Evolution?

n The Hitchhiker’s Guide to the Galaxy, Douglas Adams’ comedic sci-fi series from the 1970s, the Haggunenons of Vicissitus Three are one of the most insecure and angry life forms in the galaxy. What’s their problem? They have “impatient chromosomes” that instantly adapt to their surroundings. If they are sitting at a table, for instance, and are unable to reach a coffee spoon, “they are liable without a moment’s consideration to mutate into something with far longer arms.
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