It takes about 20 seconds for a red blood cell to circle the whole body.
102
There are about 255 babies born worldwide every minute.
46
The human brain doesn't stop developing until about 25 years old.
102
Early American humans hunted car-size armadillos and used their shells for houses.
12
The human eye blinks an average of 4,200,000 times a year.
233
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191