Chimps are upping their tool game, says study

The finding in chimps -- humans' closest living relatives -- holds relevance for us too, as it supports the idea that, deep in the mists of time, our own ape ancestors leveraged social connections to improve their technologies, lead author Cassandra Gunasekaram told AFP.

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Scientists have long marveled at chimps' ability to pass down intricate behaviors, like tool use, from one generation to the next. (AFP photo)

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