The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
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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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Iceland has been so culturally isolated through history since the Vikings, that compared to other Scandinavian counties, people who speak Icelandic can still read the old Norsk sagas.
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Lurch, a Watusi bull, had the largest horns in the world.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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A cow produces around 200,000 glasses of milk in her lifetime.
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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).
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