Long considered loners, many marsupials may have complex social lives

Marsupials may have richer social lives than previously thought. Generally considered loners, the pouched animals have a wide diversity of social relationships that have gone unrecognized, a new analysis published October 26 in Proceedings of the Royal Society B suggests. The findings could have implications for how scientists think about the lifestyles of early mammals. […]

A spider monkey’s remains tell a story of ancient diplomacy in the Americas

A sacrificed spider monkey is shedding new light on an ancient Mesoamerican relationship. The remains of a 1,700-year-old monkey found in the ancient city of Teotihuacan outside modern-day Mexico City suggest the primate was a diplomatic gift from the Maya. The find is the earliest evidence of a primate held in captivity in the Americas, […]

Josep Cornella breaks boundaries to make new and better catalysts

Josep Cornella doesn’t deal in absolutes. While chemists typically draw rigid lines between organic and inorganic chemistry, Cornella, a researcher at Max-Planck-Institut für Kohlenforschung in Mülheim an der Ruhr, Germany, believes in just the opposite. “You have to be open to cross boundaries,” he says, “and learn from it.” The fringes are “where the rich […]

Marcos Simões-Costa asks how cells in the embryo get their identities

Growing up in Brazil, Marcos Simões-Costa often visited his grandparents’ farm in the Amazon. That immersion in nature — squawking toucans and all — sparked his fascination with science and evolution. But a video of a developing embryo, shown in his middle school science class, cemented his desire to become a developmental biologist. “It’s such […]