Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Iron weighs more after it rusts.
68
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
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
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5