When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
A cubic yard of air weighs about 2 pounds at sea level.
31
4.5 pounds of sunlight strike the Earth each day.
27
Balsa wood is classified as a hard wood!
41
Your brain is 80% water.
525
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13