According to studies, men change their minds two to three times more often than women.
72
Sound travels fifteen times faster through steel than through air.
134
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
One cubic foot of gold weighs more than 1,200 pounds!
78