Drilling into Arctic ice to spy 20,000 years into the past
May 09, 2025•11 min
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Episode description
A small group of Canadian and Danish scientists have been drilling deep into the ice on Axel Heiberg Island, on the western edge of the Arctic Ocean. Ice core scientist Alison Criscitiello explains why drilling into the ice cap can give us a glimpse into the Earth’s past.
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