The average temperature at 40,000 feet above sea level is -60 F.
56
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
A cubic yard of air weighs about 2 pounds at sea level.
31
Iron weighs more after it rusts.
16
The only letter not appearing on the Periodic Table is the letter "J".
180
Nearly 50% of the world's scientists are assigned to military projects.
71
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89