Our Right Lungs takes more air than our left lung.
194
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
The human sigh acts as a physiological reset button.
23
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
We share 70% of our DNA with a slug.
218
Our brains have a negativity bias and will remember bad memories more than good ones.
15
A human being loses an average of 40 to 100 strands of hair a day.
133