Ancient rodent fossil suggests Atacama Desert once had a wet climate
Paleontologists have discovered a nine-million-year-old rodent fossil in Chile's Atacama Desert. The fossil belongs to a relative of the modern capybara, a large semi-aquatic mammal. This find indicates the region, now the world's driest desert, was once significantly wetter. Researchers believe it provides crucial evidence for understanding the area's dramatic climate change over millions of years.
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