Earth’s Oldest Oceanic Crust Uncovered in Mediterranean Sea

The Mediterranean Sea is home to what could be the world’s oldest oceanic crust, an undisturbed section of Earth’s outermost shell that scientists say is about 340 million years old.

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Beautiful Blue Lakes Are Invading East Antarctica and That’s Not Good

Something strange is happening to one of the coldest places on Earth. Dazzling blue lakes are blooming like summer wildflowers atop the East Antarctic ice sheet’s Langhovde Glacier. And that’s got scientists worried—because they’ve seen these lakes before.

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