There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
A human being loses an average of 40 to 100 strands of hair a day.
133
The human body contains over a billion miles of DNA.
147
Early American humans hunted car-size armadillos and used their shells for houses.
12
The average person will go on a date at least 100 times before they finally marry.
33
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
It takes about 20 seconds for a red blood cell to circle the whole body.
102