The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The average home creates more pollution than does the average car.
33
A cubic yard of air weighs about 2 pounds at sea level.
31
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
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21