Some high-threat volcanoes are severely understudied: Study

The Cascade Volcanic Arc stretches from Northern California to southern British Columbia and contains more than a dozen volcanoes. The U.S. Geological Survey classifies 11 of them, including Mount Baker and Mount Hood, as ...

Stone Age skeleton missing foot may show oldest amputation

The 31,000-year-old skeleton of a young adult found in a cave in Indonesia that is missing its left foot and part of its left leg reveal the oldest known evidence of an amputation, according to a new study.

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