Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Early American humans hunted car-size armadillos and used their shells for houses.
12
A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
23
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
You forget 90% of your dreams.
256
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
If the human eye was a digital camera, it would have 576 megapixels.
25