Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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The storage capacity of human brain exceeds 4 Terrabytes.
140
Iron weighs more after it rusts.
16
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9