In 1894, a French scientist, Étienne-Jules Marey, used a camera to solve a physics problem: why do cats always lands on their feet? As shown in the video below, Marey recorded the stages of a cat orienting or righting itself in midair as it falls in order to land on its feet.
Top image: The falling cat - how a cat always lands on its feet. Credit: Étienne-Jules Marey/Wikimedia Commons.
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