Our brains have a negativity bias and will remember bad memories more than good ones.
15
Poor eyesight (myopia) is associated with higher IQ.
232
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
The largest cell in the human body is the female egg and the smallest is the male sperm.
682
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Tigers can see 6 times better at night than humans.
305
A human being loses an average of 40 to 100 strands of hair a day.
133