In the Dwight H. Terry lectures to be delivered at Yale Oct. 9–18, distinguished historian of science and former dean of Yale Graduate School of Arts & Sciences Keith S. Thomson will explore how two of the most acclaimed thinkers of the 18th and 19th...
A fossil unearthed in Great Britain may end a long-running debate about the mollusks, one of life’s most diverse invertebrate groups: Which evolved first, shelled forms like clams and snails, or their shell-less, worm-like relatives?A small new fossil...