The storage capacity of human brain exceeds 4 Terrabytes.
140
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
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
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The force of a suction cup is calculated using F=AP.
15
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5