Iron weighs more after it rusts.
68
One third of the electricity produced on earth is used to power electric light bulbs!
75
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21