Indoor pollution is 10 times more toxic than outdoor pollution.
62
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
In zero gravity, a candle's flame is round and blue.
16
Most dust particles in your house are made from dead skin!
67
The storage capacity of human brain exceeds 4 Terrabytes.
140
For every gallon of sea water, you get more than a quarter pound of salt.
45
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65