Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
According to studies, men change their minds two to three times more often than women.
72
A single speck of dust is half way in size between a subatomic particle and the Earth.
15