Chimps Use Spears To Hunt

[Halb]

http://www.iflscience.com/plants-and-animals/innov...

[Simpo Two]

As far as I can see he's just poking a stick into a tree, and three stops underexposed at that.

I don't think H. sapiens has anything to fear just yet.

[Beati Dogu]

Better check for large rectangular black obelisks, just to be sure.