Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
According to studies, men change their minds two to three times more often than women.
72
4.5 pounds of sunlight strike the Earth each day.
27
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
No matter how cold it gets, gasoline will not freeze.
107