Mars had an oxygen-rich atmosphere around 4 billion years ago
13
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 average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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A cow produces around 200,000 glasses of milk in her lifetime.
373
Cows can sleep standing up, but they can only dream lying down.
745
You forget 90% of your dreams.
256