According to biologists, the function of zebras' stripes is to ward off insects. Based on that idea, a team of scientists painted zebra stripes on cows. This reduced the number of biting flies on the cows by more than 50%. https://realclearscience.com/quick_and_clear_science/2019/10/07/painting_zebra_stripes_on_cows_wards_off_biting_flies.html Applied evolutionary biology!
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