Aluminum used to be more valuable than gold!
84
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
In zero gravity, a candle's flame is round and blue.
16
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A ball of glass will bounce higher than a ball made of rubber.
73
For every gallon of sea water, you get more than a quarter pound of salt.
45