In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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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.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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Your thumb is about the same size as your nose.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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