In zero gravity, a candle's flame is round and blue.
16
Sound travels fifteen times faster through steel than through air.
134
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A cesium atom in an atomic clock beats over nine billion times a second.
43
4.5 pounds of sunlight strike the Earth each day.
27
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
For every gallon of sea water, you get more than a quarter pound of salt.
45