One cubic foot of gold weighs more than 1,200 pounds!
78
Scientists in Germany have developed a candy that doesn't cause cavities.
11
One barrel of petroleum holds 42 gallons.
20
Sound travels about 4 times faster in water than in air.
408
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
For every gallon of sea water, you get more than a quarter pound of salt.
45
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20