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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The storage capacity of human brain exceeds 4 Terrabytes.
140
Out of all the senses, smell is most closely linked to memory.
146