Chimps or humans: Who's the better baseball pitcher?

Scientists collected motion data from baseball players to uncover why humans are such good throwers. Little leaguers and professional baseball players alike have our extinct ancestors to thank for their success on the mound, shows a new study. Of course, the ability to throw fast and accurately did not evolve so our ancestors could play ball. Instead, the study proposes that this ability first evolved nearly 2 million years ago to aid in hunting. Humans are unique in their throwing ability, even when compared to our chimpanzee cousins.

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