A man's beard grows fastest when he anticipates sex.
239
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The first patented condom was meant to be reused!
47
The average sperm cell swims at 8 inches per hour.
4
Your skin is actually an organ.
88
A person will burn 7 percent more calories if they walk on hard dirt compared to pavement.
45
