A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
If the human eye was a digital camera, it would have 576 megapixels.
25
A man's beard grows fastest when he anticipates sex.
239
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
You can't tickle yourself.
29
Our brains have a negativity bias and will remember bad memories more than good ones.
15