Only 2% of the Earth's population are natural redheads.
13
Men are more attracted to women whose bone structure is similar to their own mothers. It's called "sexual imprinting".
18
About 3000 years ago, most Egyptians died by the time they were 30!
18
Up to the age of six or seven months a child can breathe and swallow at the same time. An adult cannot do this.
165
On average a woman has 4 sexual partners in her lifetime.
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Infants spend more time dreaming than adults do.
102