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How a tiny mouse survives where almost nothing else can

Scientists once thought no mammals could survive at this altitude. But a tiny mouse living almost 22,000 feet up in the Andes is proving them wrong and offering clues about life in extreme conditions.

Copyright 2026 NPR

Gabriel J. Sánchez
Gabriel J. Sánchez is a producer for NPR's All Things Considered. Sánchez identifies stories, books guests, and produces what you hear on air. Sánchez also directs All Things Considered on Saturdays and Sundays.
Christopher Intagliata
Christopher Intagliata is a senior editor at All Things Considered, where he writes news and edits interviews with politicians, musicians, restaurant owners, scientists and many of the other voices heard on the air. During the pandemic, he helped lead the show's coverage of daily updates from the White House, and he was part of the breaking news team as the January 6th attack on the U.S. Capitol unfolded.
Janaya Williams

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