An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
One human hair can support 3 ounces.
191
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
The human brain has the capacity to store everything that you experience.
4k
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
A human being loses an average of 40 to 100 strands of hair a day.
133
Enamel is hardest substance in the human body.
61
A person can live without food for about a month, but only about a week without water.
156