4.5 pounds of sunlight strike the Earth each day.
27
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The storage capacity of human brain exceeds 4 Terrabytes.
140
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Each day, up to 150 species of life become extinct.
-23
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57