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'Threshold Podcast' — Season 2, Episode 4: 'Becoming Arctic, Becoming Human'

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Image from Threshold Podcast. Iceland, 2018.

Image from Threshold Podcast. Iceland, 2018.

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Grimsey Island from the air. Image courtesy of Studio Granada Architects. Iceland, 2017.

Grimsey Island from the air. Image courtesy of Studio Granada Architects. Iceland, 2017.

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Image from Threshold Podcast. Iceland, 2018.

Image from Threshold Podcast. Iceland, 2018.

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Kristinn Hrafnsson, Thorsteinn Saemundsson, Steve Christer. Image from Threshold Podcast. Iceland, 2018.

Kristinn Hrafnsson, Thorsteinn Saemundsson, Steve Christer. Image from Threshold Podcast. Iceland, 2018.

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Image from Threshold Podcast. Iceland, 2018.

Image from Threshold Podcast. Iceland, 2018.

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Orbis et Globus - Installation Day. Image courtesy Studio Granada Architects. Iceland, 2017.

Orbis et Globus - Installation Day. Image courtesy Studio Granada Architects. Iceland, 2017.

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Orbis et Globus—Trombonist on Installation Day. Image courtesy Studio Granada Architects. Iceland, 2017.

Orbis et Globus—Trombonist on Installation Day. Image courtesy Studio Granada Architects. Iceland, 2017.

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Orbis from the air. Image courtesy Studio Granada Architects. Iceland, 2017.

Orbis from the air. Image courtesy Studio Granada Architects. Iceland, 2017.

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Steve Christer and Kristinn Hrafnsson blowing bubbles on Installation Day. Image courtesy Almar Alfredsson for Studio Granada Architects. Iceland, 2017.

Steve Christer and Kristinn Hrafnsson blowing bubbles on Installation Day. Image courtesy Almar Alfredsson for Studio Granada Architects. Iceland, 2017.

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Vladimir Pitulko in St. Petersburg. Image from Threshold Podcast. Russia, 2018.

Vladimir Pitulko in St. Petersburg. Image from Threshold Podcast. Russia, 2018.

Episode 4: BECOMING ARCTIC, BECOMING HUMAN

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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TRACKING THE ARCTIC CIRCLE ON GRÍMSEY ISLAND

Axial tilts, moon wobbles, an Arctic Circle that refuses to sit still — it’s kind of confusing! These documents might help you wrap your mind around this phenomenon, supplied by Studio Granada Architects in Iceland:

Map of the Arctic Circle as it moves across Grímsey Island — the small zig-zags are caused by the moon

A more detailed diagram of that same map

Description of the project by artist Kristinn Hrafnsson

WHAT’S REALLY WARMING THE WORLD?

Bloomberg Businessweek’s interactive article shows how much different factors, both natural and industrial, contribute to global warming.

MAP OF HUMAN MIGRATION

This map from National Geographic shows migration patterns for the wave of humans that populated the globe. That article says modern humans began leaving Africa 60,000-70,000 years ago. Other researchers date that migratory wave to closer to 80,000 years ago.

A PREHISTORY OF THE NORTH

Get a more in-depth picture of Arctic migration in this book by John Hoffecker.

Learn more about Threshold Podcast.