A cubic yard of air weighs about 2 pounds at sea level.
31
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
One ragweed plant can release as many as one billion grains of pollen!
51
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Iron weighs more after it rusts.
68
Most dust particles in your house come from dead skin.
48
Hot water can freeze faster than cold water.
181