The largest stadium in history, the Circus Maximus, built in 6BC Rome, it had a capacity of 300,000 spectators. The largest modern stadium, Rungrado 1st of May Stadium, holds a mere 150,000 spectators.
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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...
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