Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
3
A cubic yard of air weighs about 2 pounds at sea level.
31
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
If the chemical sodium is dropped into water it will immediately and violently explode.
67