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
There are so many kinds of apples that if you ate a new one everyday, it would take over 20 years to try them all.
34
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
Only about 2% of the world population has green eyes.
36
Your body is creating and killing about 2.4 million red blood cells per second.
17
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14