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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Mars had an oxygen-rich atmosphere around 4 billion years ago
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Only about 2% of the world population has green eyes.
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A cow produces around 200,000 glasses of milk in her lifetime.
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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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Lurch, a Watusi bull, had the largest horns in the world.
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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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