Short, rapid warming events, known as interstadials, coincided with major extinction events, according to a team of scientists from Australia and the United States. This image depicts a Pleistocene landscape in northern Spain with woolly mammoths (Mammuthus primigenius), equids, a woolly rhinoceros (Coelodonta antiquitatis), and European cave lions (Panthera leo spelaea). Image credit: Mauricio Anton. “Abrupt warming has repeatedly played a key...