
This week's science news.
The deepest hole humans have ever drilled into the Earth is just 12.3 kilometers, about 0.2% of the distance to the planet's core. That effort, the Soviet-era Kola Superdeep Borehole, took more than 20 years to complete. And despite decades of technological progress since, we haven't gone any deeper.
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U.S. Marine Corps photo by Sgt. Vincent Needham
China’s new device could reach vital undersea fiber optic cables deeper than its competitors’ known remote submersibles.
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