Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Out of all the senses, smell is most closely linked to memory.
146
For every gallon of sea water, you get more than a quarter pound of salt.
45
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
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
Billions of neutrinos pass unnoticed through your body every second.
6
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16