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Ice Cores Hold 800,000 Years of Climate HistoryScience / SOURCE REPORT

Ice Cores Hold 800,000 Years of Climate History

Some of the most important climate evidence is stored in ice. As snow falls and compacts over thousands of years, it traps tiny bubbles of ancient air, preserving a direct sample of the atmosphere from before humans could measure it. Ice cores are the closest thing climate science has to a time machine, and they […]

Fusion Power's Latest Milestone Is Real - the Hard Part Comes NextScience / SOURCE REPORT

Fusion Power’s Latest Milestone Is Real – the Hard Part Comes Next

Fusion energy has a peculiar public relations problem: it has been twenty years away for seventy years. That makes it easy to dismiss each new result as another promise. It also means that genuine progress can be hard to see, because the milestones that matter are technical and incremental rather than dramatic. What fusion is […]

Why Antarctic Sea Ice Has Been So Hard to PredictScience / SOURCE REPORT

Antarctic Sea Ice Is Noisy, Regional and Hard to Forecast

For years, Antarctic sea ice behaved in a way that surprised scientists. While Arctic ice declined steadily, the southern extent held up and even grew in some periods, then swung sharply. The record is noisy, and the difficulty of predicting it reflects the system itself. It reflects a system with strong regional differences and a […]