Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Most dust particles in your house come from dead skin.
48
A cesium atom in an atomic clock beats over nine billion times a second.
43
Research indicates that plants grow healthier when they are stroked.
173
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The earth is approx. 6,588,000,000,000,000,000 tons.
175