Some humans reject air conditioning. Chimps are unable to create air conditioning. But when they discover a cool cave in a hot summer, they spend time in the cave.
(p. D2) Everyone needs to cool off on a scorching summer day, even chimpanzees. Where do the primates go on sizzling days when woodlands and forests don’t provide respite from the heat?
. . .
In southeastern Senegal, temperatures spike to 110 degrees Fahrenheit and fires burn large parts of the landscape over a seven-month dry season. Several natural cave formations pock the terrain, and they can be up to 55 degrees cooler than the surrounding grasslands.
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(Note: the online version of the story was updated on August 6, 2020, and has the same title as the print version.)