Neanderthal man had a brain capacity 100cc larger than modern man's.
50
One 75-watt bulb gives more light than three 25-watt bulbs.
57
The bark of an older redwood tree is fireproof.
65
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
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
The average home creates more pollution than does the average car.
33
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89