Gorillas can catch human colds and other illnesses.
205
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Babies crawl an average of 200m a day.
212
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
If your DNA was stretched out it would reach to the moon 6,000 times.
256
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
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11