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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If you have 1 billion dollars and spend $1,000 every day, it would take you 2,740 years to go broke.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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Your thumb is about the same size as your nose.
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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.
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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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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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