No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
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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
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