The world's shortest man measures only 21.5 inches.
73
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Early American humans hunted car-size armadillos and used their shells for houses.
12