Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
The bark of an older redwood tree is fireproof.
65
Sound at the right vibration can bore holes through a solid object.
134
A cesium atom in an atomic clock beats over nine billion times a second.
43