The human body contains over a billion miles of DNA.
147
Tigers can see 6 times better at night than humans.
305
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
The human brain is more active during sleep than during the day.
28
Our brains have a negativity bias and will remember bad memories more than good ones.
15