A participant in the Polar Scientific Diving program takes ice samples during a 45-minute-long diving session, at the Kilpisjaervi Biological Station in Finland on March 14, 2026. In northernmost Finland, divers learn to conduct research below ice in harsh Arctic conditions to understand how climate change is transforming the world's polar regions. (Photo by -STR / AFP via Getty Images)

A participant in the Polar Scientific Diving program emerges after a 45-minute-long diving session, at the Kilpisjaervi Biological Station in Finland on March 14, 2026. In northernmost Finland, divers learn to conduct research below ice in harsh Arctic conditions to understand how climate change is transforming the world's polar regions. (Photo by Jonathan KLEIN / AFP via Getty Images)

A participant in the Polar Scientific Diving program takes ice samples during a 45-minute-long diving session, at the Kilpisjaervi Biological Station in Finland on March 14, 2026. In northernmost Finland, divers learn to conduct research below ice in harsh Arctic conditions to understand how climate change is transforming the world's polar regions. (Photo by -STR / AFP via Getty Images)

Participants in the Polar Scientific Diving program arrive at the diving site on a sled towed by a snowmobile, at the Kilpisjaervi Biological Station in Finland on March 14, 2026. In northernmost Finland, divers learn to conduct research below ice in harsh Arctic conditions to understand how climate change is transforming the world's polar regions. (Photo by John MACDOUGALL / AFP via Getty Images)

A participant in the Polar Scientific Diving program takes ice samples during a 45-minute-long diving session, at the Kilpisjaervi Biological Station in Finland on March 14, 2026. In northernmost Finland, divers learn to conduct research below ice in harsh Arctic conditions to understand how climate change is transforming the world's polar regions. (Photo by -STR / AFP via Getty Images)

Participants in the Polar Scientific Diving program prepare for a 45-minute-long diving session, at the Kilpisjaervi Biological Station in Finland on March 14, 2026. In northernmost Finland, divers learn to conduct research below ice in harsh Arctic conditions to understand how climate change is transforming the world's polar regions. (Photo by John MACDOUGALL / AFP via Getty Images)

A LED sphere screen shows information inside the new location of the prediction market online platform Polymarket called "The Situation Room", during its opening day in Washington, DC, on March 20, 2026. Prediction market platforms have rapidly broken into the mainstream in the United States, positioning themselves as an alternative to both traditional polling and licensed sports betting. Platforms like Polymarket and its biggest rival Kalshi, remain illegal or unregulated in most countries outside the US, where regulators have generally classified them as unlicensed gambling. (Photo by Théo MARIE-COURTOIS / AFP via Getty Images)

A LED sphere screen shows information inside the new location of the prediction market online platform Polymarket called "The Situation Room", during its opening day in Washington, DC, on March 20, 2026. Prediction market platforms have rapidly broken into the mainstream in the United States, positioning themselves as an alternative to both traditional polling and licensed sports betting. Platforms like Polymarket and its biggest rival Kalshi, remain illegal or unregulated in most countries outside the US, where regulators have generally classified them as unlicensed gambling. (Photo by Théo MARIE-COURTOIS / AFP via Getty Images)