Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
Only about 2% of the world population has green eyes.
36
The oldest glowing lightbulb was first switched on in 1901 and lives in fire stations in Livermore, CA. It is known as the Centennial Light.
118
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Not only are there rogue planets floating through space completely alone, not orbiting any stars, but it’s possible that these pitch-black lonely planets support life.
14
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82