The average person's skin weighs twice as much as their brain.
131
On average, there's 100 billion neurons in the human brain.
83
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
Gorillas can catch human colds and other illnesses.
205
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Early American humans hunted car-size armadillos and used their shells for houses.
12