Unraveling a Mapmaker’s Dangerous Decision

For centuries, the Northwest Passage, the long-sought sea route connecting the Atlantic and Pacific Oceans through northern Canada, was a holy grail of Arctic exploration. Even now, sailing through it isn’t guaranteed. Mark Synnott, a National Geographic Explorer, writer, and adv ...  Show more

There’s a lost continent waiting to be explored, and it’s right below our feet. We’ll dig into the deep human relationship to the underground—and why we understand it from an instinctive point of view, but not so much from a physical one. (Hint: We’re afraid of the dark.) In an e ...  Show more

We talk about the ridiculously complicated science involved in measuring Mount Everest with NPR international correspondent Lauren Frayer. And we'll hear why the height of the world's highest peak is ever-changing.Looking for more? You can read Lauren's story here at our episode ...  Show more

We talk to NPR's India correspondent Lauren Frayer about the ridiculously complicated science involved in measuring Mount Everest, the world's highest peak. And why its height is ever-changing. (Encore episode) Read Lauren's reporting on Mt. Everest.Have other quirks of the plane ...  Show more

How tall is the world’s tallest mountain? The answer is surprisingly tricky, which means that Everest’s official height is constantly changing. In fact, depending on the type of measurement scientists use, Everest may not be the tallest mountain in the world. Learn more about you ...  Show more

If you just stood up and shouted, “It’s Mount Everest, duh!” then take a seat. Not only is Everest’s official height constantly changing, but three other mountains might actually be king of the hill. For show transcripts, go to vox.com/unxtranscripts For more, go to vox.com/unexp ...  Show more