Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
Sound travels fifteen times faster through steel than through air.
134
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17