Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Aluminum used to be more valuable than gold!
84
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13
A ball of glass will bounce higher than a ball made of rubber.
73
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6