Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The bark of an older redwood tree is fireproof.
65
Pumice is the only rock that floats on water.
14
Diamonds can be shattered with a hammer.
-104
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Nylon is made from coal and petroleum.
42