A cubic yard of air weighs about 2 pounds at sea level.
31
A ball of glass will bounce higher than a ball made of rubber.
73
For every gallon of sea water, you get more than a quarter pound of salt.
45
Most dust particles in your house come from dead skin.
48
Scientists are now able to grow 'beating' heart tissue in a lab!
162
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116