Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One barrel of petroleum holds 42 gallons.
20
Iron weighs more after it rusts.
16
Scientists in Germany have developed a candy that doesn't cause cavities.
11
One cubic foot of gold weighs more than 1,200 pounds!
78
The average home creates more pollution than does the average car.
33
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13