Uploaded April 2026 | Updated September 2026, 2 weeks ago

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Volcanoes built the largest whale graveyard on Earth, Cerro Ballena, and it started 6-9 million years ago. But one disaster accidentally helped save the planet.

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We respectfully acknowledge the University of Arizona is on the land and territories of Indigenous peoples. Today, Arizona is home to 22 federally recognized tribes, with Tucson being home to the O’odham and the Yaqui. The University strives to build sustainable relationships with sovereign Native Nations and Indigenous communities through education offerings, partnerships, and community service.

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