A ball of glass will bounce higher than a ball made of rubber.
73
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
The force of a suction cup is calculated using F=AP.
15
4.5 pounds of sunlight strike the Earth each day.
27
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
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Balsa wood is classified as a hard wood!
41
One cubic foot of gold weighs more than 1,200 pounds!
78