The jury is still out on whether or not chimps are self-aware. Actually, the same goes for young children.
When a group of neighborhood kids have a water fight, the amassed weaponry is truly astounding. An aquatic arms race has resulted in Super Soaker water guns that can blast streams of water fifty feet across the yard.
As it turns out, all that so-called wisdom about stretching before and after your work out to prevent injury is just a myth.