Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Out of all the senses, smell is most closely linked to memory.
146
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
Aluminum used to be more valuable than gold!
84
Sound travels fifteen times faster through steel than through air.
134