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A Possible Sequel to the Dinosaur Armageddon

BBC Inside Science

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How to Map the Ocean Floor of Tonga

Vax lima is a remotely operated vessel that will map the sea floor of Tonga. The volcano erupted in 2012, and scientists are still trying to understand what caused it. Using an uncrewed vessel for areas closer to the caldera means no crew are put in harm's way.

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