Diamonds can be shattered with a hammer.
-104
The average temperature at 40,000 feet above sea level is -60 F.
56
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
4.5 pounds of sunlight strike the Earth each day.
27
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
Research indicates that plants grow healthier when they are stroked.
173
According to studies, men change their minds two to three times more often than women.
72