Landmark study of links between maternal health and fetal development is among the first to look at the genetic profiles of East Asian people. Plus, how sea otters protect shorelines from erosion and what’s behind the alarming surge of measles in Europe. Landmark study of links between maternal health and fetal development is among the first to look at the genetic profiles of East Asian people. Plus, how sea otters protect shorelines from erosion and what’s behind the alarming surge of measles in Europe.