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
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
In the last 7 years, humanity has discovered 43 potentially habitable planets.
14
The largest breed of rabbit is the Flemish Giant.
65
You forget 90% of your dreams.
256