The strangers in your dreams are actually people that you've seen in real life.
50
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Your thumb is about the same size as your nose.
124
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
Cows can sleep standing up, but they can only dream lying down.
745
There is a mass reservoir of water floating in space that is 100,000 times bigger than our sun and holds 140 trillion times more water than all of our oceans.
11
If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
31
There is a persistent storm in Venezuela that produces lightning 140 to 160 nights a year, 10 hours per day and up to 280 times per hour and has been going since at least the 16th century.
25