We Throw Alone

Humans are good at throwing things. In fact, we’re great at it; no other animal can throw stuff like we can.

Hm. How important is throwing? I wonder if Aliens, should they exist, throw? More here.

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edit: the Randall Monroe post links us to this abstract (among others), which opens with this:

It has been proposed that the hominid lineage began when a group of chimpanzee-like apes began to throw rocks and swing clubs at adversaries, and that this behaviour yielded reproductive advantages for millions of years, driving natural selection for improved throwing and clubbing prowess.