Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
One ragweed plant can release as many as one billion grains of pollen!
51
4.5 pounds of sunlight strike the Earth each day.
27
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
If you blowtorch Pepto-Bismol, you would get a hunk of metal.
114
Sound travels fifteen times faster through steel than through air.
134
For every gallon of sea water, you get more than a quarter pound of salt.
45