The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
In zero gravity, a candle's flame is round and blue.
16
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
Most dust particles in your house come from dead skin.
48
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65