The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
The world's shortest man measures only 21.5 inches.
73
Yawns are more contagious among people with closer relationships.
163
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
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24