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flag Scientists drilled a 228-meter core under West Antarctica, finding marine fossils that show the ice sheet collapsed in past warm periods, raising sea levels by up to five meters.

flag Scientists have retrieved a 228-meter sediment core from beneath the West Antarctic Ice Sheet at Crary Ice Rise, the deepest ever drilled, revealing evidence that the region was once open ocean during past warm periods. flag Fossils of marine organisms indicate the ice sheet likely collapsed when global temperatures were higher, contributing up to five meters of sea level rise. flag The core, collected after two failed attempts and transported over 1,100 km to New Zealand, spans millions of years and will help refine climate models to predict future ice loss and sea level rise.

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