On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
160
Enamel is hardest substance in the human body.
61
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The world's shortest man measures only 21.5 inches.
73
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Obsessive nose picking is called Rhinotillexomania.
101
It takes approximately 12 hours for food to entirely digest.
93