DURHAM, N.C. — Modern humans appear in the fossil record about 200,000 years ago, but it was only about 50,000 years ago that making art and advanced tools became widespread. A new study appearing Aug. 1 in the journal Current Anthropology finds that human skulls changed in ways that indicate a lowering of testosterone levels at around […]
A new study led by an Adelaide scientist has revealed how massive, meat-eating, ground-dwelling dinosaurs − the theropods − evolved into agile flyers: they just kept shrinking and shrinking, for over 50 million years. Today, in the prestigious journal Science, the researchers present a detailed family tree of these dinosaurs and their bird descendants which maps […]
CAMBRIDGE, Mass. — Political scientists have long wondered whether city governments in the U.S. are really responsive to their voters. Aren’t local governments simply mired in machine politics, or under the sway of local big-money interests? Does ideology matter? Now a uniquely comprehensive study co-authored by an MIT political scientist has produced a pair of distinctive […]
The disastrous March 22 landslide that killed 43 people in the rural Washington state community of Oso involved the “remobilization” of a 2006 landslide on the same hillside, a new federally sponsored geological study concludes. The research indicates the landslide, the deadliest in U.S. history, happened in two major stages. The first stage remobilized the 2006 slide, […]