The earth is approx. 6,588,000,000,000,000,000 tons.
175
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Balsa wood is classified as a hard wood!
41
In zero gravity, a candle's flame is round and blue.
16
No matter how cold it gets, gasoline will not freeze.
107
The storage capacity of human brain exceeds 4 Terrabytes.
140
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13