Our brains have a negativity bias and will remember bad memories more than good ones.
15
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Mushrooms are more closely related to humans than they are to plants.
47
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
The human body contains over a billion miles of DNA.
147