The 800-Year-Old Land Slip

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Dr. Lavey was doing unrelated fieldwork in Nepal about a decade ago. He found four or five meters of rock that could only have come from the Himalayas. And this suggested that there was at some point about 800 years ago a landslide. Now he then looked at satellite imagery and even took a slightly hair-raising helicopter ride into the area to identify other potential rubble fields.

Little is known about why he fled across the border into the hermit kingdom, but securing his release will require some tactical diplomacy. Given the tense relationship between both countries, is Kim Jong Un prepared to come to the table? A look at research which suggests gold might not always be an effective hedge against inflation (08:52). And, why mountains stop growing (15:42).

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