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
One third of the electricity produced on earth is used to power electric light bulbs!
75
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The force of a suction cup is calculated using F=AP.
15
Cold water weighs more than hot water.
93
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Most dust particles in your house come from dead skin.
48