Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Nylon is made from coal and petroleum.
42
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
One cubic foot of gold weighs more than 1,200 pounds!
78