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
Balsa wood is classified as a hard wood!
41
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The only letter not appearing on the Periodic Table is the letter "J".
180
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Sound at the right vibration can bore holes through a solid object.
134