Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Research indicates that plants grow healthier when they are stroked.
173
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
The sun is 330,330 times larger than the earth.
75
Most dust particles in your house come from dead skin.
48
Cold water weighs more than hot water.
93