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What we’ve learned from the world’s deepest hole

Plenty of kids have trudged into the backyard with the idea of digging to the center of the Earth, if not further. Did any of these kids pursue that crazy dream into adulthood? The answer is yes.

TheĀ Kola Superdeep Borehole dives overĀ 12,000 kilometers into the Earth, but a fraction of the way into the bowels of the planet. What did Russia and the world learn from this twenty-four-year experiment?

Find out in this episode of SciShow.

Full story at YouTube via Geeks Are Sexy.

Holes in our knowledge of Earth.

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