An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Human hair and fingernails continue to grow after death.
7
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Your heart will pump about 212 million liters in its lifetime.
26
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92