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Mariusz Potocki (center with orange goggles) and the National Geographic and Rolex Perpetual Planet Everest Expedition team collect the highest ever recorded ice core sample at the South Col Glacier. Credit: Dirk Collins, National Geographic and Rolex Perpetual Planet Everest Expedition. There isn’t much room for error 8,000 meters above sea level, and everyone on the expedition knew it. Mount Everest is notoriously challenging to climb, but conducting research on the iconic mountain is an even taller task. It was clear and sunny, but the thin air was bitterly cold. The team relied on suppl...

December 12, 2020 It’s AGU Fall Meeting week, and the Science stories typically hit peak volume during this time. This story is spectacular. Paul Voosen in Science: BURLINGTON, VERMONT—In one of the Cold War’s oddest experiments, the United States dug a 300-meter-long military base called Camp Century into the ice of northwest Greenland in the early 1960s, powered it with a nuclear reactor, and set out to test the feasibility of shuttling nuclear missiles beneath the ice. A constant struggle against intruding snow doomed the base, which was abandoned in 1966. But Camp Century has left a...