SciShow

SciShow

The Deepest Hole in the World, And What We've Learned From It (2014x69)


: 05, 2014

SciShow takes you down the deepest hole in the world -- Russia's Kola Superdeep Borehole -- explaining who dug it and why, and what we learned about Earth in the process. Don't fall!

  • : 2012
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  • : 2
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