
Are We Standing on a Quadrillion Tons of Diamonds?
Season 7 Episode 17 | 7m 38s
But the furthest we’ve traveled is 7 miles down, so how could we know that?
There might be a quadrillion tons of diamonds 100 miles below Earth’s surface. But the furthest we’ve traveled is 7 miles down, so how could we know that?
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback

Are We Standing on a Quadrillion Tons of Diamonds?
Season 7 Episode 17 | 7m 38s
There might be a quadrillion tons of diamonds 100 miles below Earth’s surface. But the furthest we’ve traveled is 7 miles down, so how could we know that?
Problems playing video? | Closed Captioning Feedback
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