Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One barrel of petroleum holds 42 gallons.
20
German chemists made a replica of a trophy the size of one molecule.
68
Scientists are attempting to create a synthetic brain by reverse-engineering the mammalian brain down to the molecular level. A cellular human brain is predicted possible by 2023. It hopes to shed light on consciousness.
10
Pumice is the only rock that floats on water.
14
The force of a suction cup is calculated using F=AP.
15
4.5 pounds of sunlight strike the Earth each day.
27
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