Before trees took over the earth the land was covered with Prototaxites, a fungus that became extinct more than 350 million years ago and is believed to have reached almost 9m high and 1.37m in diameter.
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Superheated sediments in a submarine pressure cooker—an unexpected source
of deep-sea hydrogen
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The mid-ocean ridge runs through the oceans like a suture. Where Earth's
plates move apart, new oceanic crust is continuously formed. This is often
accompa...
2 hours ago
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