Human hair and fingernails continue to grow after death.
7
Gorillas can catch human colds and other illnesses.
205
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Obsessive nose picking is called Rhinotillexomania.
101
The average person's skin weighs twice as much as their brain.
131
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15