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Clues in a Caldera

Clues in a Caldera

April 27, 2006

In March 2006, WHOI geochemist Ken Sims climbed into Masaya Volcano in Nicaragua to collect gas samples. By gathering samples worldwide, Sims is exploring how volcanic gases cause climate changes that may have lead to the extinction of the dinosaurs. (Photo by Amy Nevala, Woods Hole Oceanographic Institution)

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