Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Nearly 50% of the world's scientists are assigned to military projects.
71
The smell of freshly cut grass is actually a plant distress call.
31
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18