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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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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Your thumb is about the same size as your nose.
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The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
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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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You forget 90% of your dreams.
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Scientists at the Zhejiang University in China have developed an ultra-light material known as carbon aerogel.
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Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
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