A single speck of dust is half way in size between a subatomic particle and the Earth.
15
According to studies, men change their minds two to three times more often than women.
72
Diamonds can be shattered with a hammer.
-104
The force of a suction cup is calculated using F=AP.
15
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
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 hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
One ragweed plant can release as many as one billion grains of pollen!
51