A cow produces around 200,000 glasses of milk in her lifetime.
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Lurch, a Watusi bull, had the largest horns in the world.
32
Mars had an oxygen-rich atmosphere around 4 billion years ago
13
The strangers in your dreams are actually people that you've seen in real life.
50
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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