A cubic yard of air weighs about 2 pounds at sea level.
31
For every gallon of sea water, you get more than a quarter pound of salt.
45
Sound travels about 4 times faster in water than in air.
408
Each day, up to 150 species of life become extinct.
-23
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
Neanderthal man had a brain capacity 100cc larger than modern man's.
50