Lurch, a Watusi bull, had the largest horns in the world.
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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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The University of Oxford (teaching since 1096) predates the Aztec empire (1428 - 1521).
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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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An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
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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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Your body is creating and killing about 2.4 million red blood cells per second.
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Only about 2% of the world population has green eyes.
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