The human brain is more active during sleep than during the day.
28
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Tigers can see 6 times better at night than humans.
305
Mushrooms are more closely related to humans than they are to plants.
47
Pain occurs when sounds are above 130 db.
124
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Our brains have a negativity bias and will remember bad memories more than good ones.
15