One cubic foot of gold weighs more than 1,200 pounds!
78
Research indicates that plants grow healthier when they are stroked.
173
Pumice is the only rock that floats on water.
14
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16