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Aug 13, 2025, 4:45 am123 ptsTrendingGrist
About a billion years ago, the United States was nearly ripped in half. Magma bubbled up as the Earth’s crust stretched thin somewhere around Michigan, nearly creating a new sea. Evidence of that scar, called the Midcontinent Rift, now curls around the upper Midwest, stretching from Ontario all the way down…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.