Early American humans hunted car-size armadillos and used their shells for houses.
12
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Human hair and fingernails continue to grow after death.
7
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Your thumb is about the same size as your nose.
124
The largest cell in the human body is the female egg and the smallest is the male sperm.
682