Gorillas can catch human colds and other illnesses.
205
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human brain doesn't stop developing until about 25 years old.
102
By weight, Bone is five times stronger than steel.
417
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Babies crawl an average of 200m a day.
212