Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Scientists aren't sure what color dinosaurs were.
312
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101