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Scientists Make Rare Discovery in Active Volcano
Volcanologists visit Tofua to study the volcano’s activity.
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How an Underwater Volcano Produced a 60-Foot Tsunami
The most explosive event ever recorded on Earth—and the massive tsunami that followed.
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Could Whale Poop Help Cool the Planet?
Marine biologists unravel how whales and their poop trap carbon and feed the ocean.
NOVA
Ancient Earth May Have Had Red Oceans
On Ancient Earth, rust deep in the oceans played a critical role in the formation of Earth