One cubic foot of gold weighs more than 1,200 pounds!
78
A ball of glass will bounce higher than a ball made of rubber.
73
German chemists made a replica of a trophy the size of one molecule.
68
Nylon is made from coal and petroleum.
42
The average home creates more pollution than does the average car.
33
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Diamonds can be shattered with a hammer.
-104
Scientists are now able to grow 'beating' heart tissue in a lab!
162