Your fingernails grow faster in summer.
744
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Our brains have a negativity bias and will remember bad memories more than good ones.
15
The average person will go on a date at least 100 times before they finally marry.
33
Our Right Lungs takes more air than our left lung.
194
The human eye blinks an average of 4,200,000 times a year.
233
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82