Sleeping on your stomach can induce weirder, scarier, and sexier dreams.
22
Summer on Uranus lasts for 21 years.
358
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Cats sleep for 70% of their lives.
8
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
To get a song out of your head, try doing something like a puzzle or Sudoku.
13