Babies crawl an average of 200m a day.
212
The human brain is more active during sleep than during the day.
28
Tigers can see 6 times better at night than humans.
305
The human brain doesn't stop developing until about 25 years old.
102
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Our Right Lungs takes more air than our left lung.
194
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.
34