Obsessive nose picking is called Rhinotillexomania.
101
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Your thumb is about the same size as your nose.
124
Tigers can see 6 times better at night than humans.
305
Pain occurs when sounds are above 130 db.
124
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
Early American humans hunted car-size armadillos and used their shells for houses.
12