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French spatial scientist Marie-Anne Blanchet examines bear cubs before taking adipose tissue biopsies and blood samples from their sedated mother, in eastern Spitzbergen, in the Svalbard archipelago, on April 6, 2025. The Norwegian Polar Institute, an Arctic research organisation, organised a five-week expedition aboard the high-tech research vessel and icebreaker Kronprins Haakon to collect adipose tissue biopsies and blood samples from polar bears in order to study the impact of pollutants on their health. (Photo by Olivier Morin/AFP Photo)
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