How a zebra's stripes put bloodthirsty flies into a tailspin


close-up of a zebra

This optical illusion serves a purpose.

Why do zebras have stripes? Many have considered the classic quandary, Darwin included. Stripes could be camouflage, create herd-wide optical illusions to deter hungry…
via Popular Science "https://ift.tt/2SkjI93"

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