Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Research has determined that most people are happiest at 7:26pm on a Saturday night.
70
The average sperm cell swims at 8 inches per hour.
4
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
35
The human sigh acts as a physiological reset button.
23
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82