image: The throat of Ayr Lake Valley, Baffin Island. This material relates to a paper that appeared in the Dec. 4, 2015, issue of Science, published by AAAS. The paper, by N.E. Young at Lamont-Doherty Earth Observatory of Columbia University in Palisades, NY, and colleagues was titled, 'Glacier maxima in Baffin Bay during the Medieval Warm Period coeval with Norse settlement.' view more
Credit: [Credit: Jason Briner]