Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
The storage capacity of human brain exceeds 4 Terrabytes.
140
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9