An eight-ton concrete ball and a 32,000-year-old needle collection. What's all this got to do with the Arctic? Find out on this episode of Threshold.

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This season is underwritten by the Pulitzer Center on Crisis Reporting. Production partners: Montana Public Radio and PRI’s The World.

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We're So Close

This giving season listening matters. To keep making our show, Threshold needs to raise $75,000 by the end of the year — and we’re over 85% of the way there!