Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Our Right Lungs takes more air than our left lung.
194
On average a woman has 4 sexual partners in her lifetime.
-143
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The world's shortest man measures only 21.5 inches.
73
Your fingernails grow faster in summer.
744