The 2004 Indian Ocean tsunami was detected by GPS satellites — revealing ground displacement across thousands of km.
Fact #9637
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The 2004 Indian Ocean tsunami was triggered by a massive undersea earthquake.
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Jellyfish have existed for hundreds of millions of years.
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The Earth's oceans are interconnected.
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Dolphins can recognize themselves in mirrors.
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Dolphins have names for each other — they use unique whistles to address individuals.
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There is a river in the ocean — the Gulf Stream moves more water than all of Earth's rivers combined.
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Dogs can smell certain diseases such as cancer.
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Many deep-sea fish have transparent or nearly invisible bodies.
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