Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
If the chemical sodium is dropped into water it will immediately and violently explode.
67
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Billions of neutrinos pass unnoticed through your body every second.
6
No matter how cold it gets, gasoline will not freeze.
107