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 'jiffy' is an actual unit of time for 1/100th of a second!
66
Iron weighs more after it rusts.
68
One 75-watt bulb gives more light than three 25-watt bulbs.
57
4.5 pounds of sunlight strike the Earth each day.
27
According to studies, men change their minds two to three times more often than women.
72
Most dust particles in your house come from dead skin.
48
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