Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
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The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Obsessive nose picking is called Rhinotillexomania.
101
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Pain occurs when sounds are above 130 db.
124
The human brain has the capacity to store everything that you experience.
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