Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The bark of an older redwood tree is fireproof.
65
Sound at the right vibration can bore holes through a solid object.
134
No matter how cold it gets, gasoline will not freeze.
107
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Iron weighs more after it rusts.
16