The world's shortest man measures only 21.5 inches.
73
Yawns are more contagious among people with closer relationships.
163
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
It takes approximately 12 hours for food to entirely digest.
93
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
The human brain doesn't stop developing until about 25 years old.
102
Tigers can see 6 times better at night than humans.
305
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