Human hair and fingernails continue to grow after death.
7
Pain occurs when sounds are above 130 db.
123
Like fingerprints, everyone's tongue print is different!
71
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human brain doesn't stop developing until about 25 years old.
102
It takes about 20 seconds for a red blood cell to circle the whole body.
102
A fetus develops fingerprints at eighteen weeks!
32
Our brains have a negativity bias and will remember bad memories more than good ones.
15
