Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Tigers can see 6 times better at night than humans.
305
In 30 minutes, the average body gives off enough heat (combined) to bring a half gallon of water to boil.
198
Early American humans hunted car-size armadillos and used their shells for houses.
12
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The world's shortest man measures only 21.5 inches.
73
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26