Prehistory

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The Day the World Burned 12,800 Years Ago

When UC Santa Barbara geology professor emeritus James Kennett and colleagues set out years ago to examine signs of a major cosmic impact that occurred toward the end of the Pleistocene…

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How Did Early Humans Thrive Through Volcanic Winters?

UTA researcher Naomi Cleghorn has participated in a Nature paper that describes how humans thrived in South Africa through the Toba volcanic eruption about 74,000 years ago, which created a decades-long volcanic…

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Glassy Beads Hint of a Mysterious Missing Crater

Imperial experts have found a “breadcrumb trail” of debris from an 800,000-year-old meteor impact. Around 800,000 years ago, a 20 kilometer meteor collided with the Earth, producing a zone of…