Babies crawl an average of 200m a day.
212
Only humans shed emotional tears.
331
Mushrooms are more closely related to humans than they are to plants.
47
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
On average, there's 100 billion neurons in the human brain.
83
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
The human brain uses approximately as much energy as a 10 watt light bulb.
120