The brain is most of the ape's main gimmicks, aside from the opposable thumb. It allows us to not die without claws, fangs, and other evolutionary benefits.
Out of the photosynthesis (plants).
They have every thing you need on http://www.factmonster.com/ipka/A0932480.html
Well it happens every six months, one in summer in June and winter December. And if i'm wrong then i understand :) <span />
