Cows can sleep standing up, but they can only dream lying down.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
81
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
212
If Earth's history was condensed into twenty-four hours, life would've appeared at around 4am, land plants at 10:24pm, dinosaur extinction at 11:41pm, and human history would’ve began at 11:58:43pm.
21
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
If aliens located 60-65 million light years away from us, looked at earth through a really powerful telescope today, they would see dinosaurs!
18
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.
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