Discovery of 1,800-year-old ‘Rosetta Stone’ for Tropical Ice Cores

Discovery of 1,800-year-old ‘Rosetta Stone’ for Tropical Ice Cores

Like rings from an ancient tree, two ice cores drawn from the tropical Peruvian Andes reveal Earth’s tropical climate history in unprecedented detail—year by year, for nearly 1,800 years. Researchers at The Ohio State University [...]