A cow produces around 200,000 glasses of milk in her lifetime.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court.
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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
Only about 2% of the world population has green eyes.
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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
12