Sitting straight upright in your chair is bad for your back. You should instead slouch at an angle of 135 degrees.
10
Only about 2% of the world population has green eyes.
36
Rio de Janeiro was once capital of Portugal, making it the only European capital outside of Europe.
9
A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
36
A study found that 68% experienced “phantom vibration syndrome” — a sensory hallucination where you mistakenly think your phone is buzzing.
16
The chills you sometimes feel when listening to music is called "musical frisson."
18