One human hair can support 3 ounces.
191
The human sigh acts as a physiological reset button.
23
Your thumb is about the same size as your nose.
124
The human brain has the capacity to store everything that you experience.
4k
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
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21