Pumice is the only rock that floats on water.
14
A ball of glass will bounce higher than a ball made of rubber.
73
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
Research indicates that plants grow healthier when they are stroked.
173
For every gallon of sea water, you get more than a quarter pound of salt.
45
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17