We share 70% of our DNA with a slug.
218
The average person will go on a date at least 100 times before they finally marry.
33
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
A man's beard grows fastest when he anticipates sex.
239
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Obsessive nose picking is called Rhinotillexomania.
101
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
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13