The University of Maryland, College Park is a public land-grant research university in College Park, Maryland, United States, near Washington, D.C. Founded in 1856, UMD is the flagship institution of the University System of Maryland. At UMD, brilliant scholars and scientists come together to spark new ideas, pursue important discoveries, drive innovation and tackle humanity’s grand challenges—helping people in our communities and around the globe.
Computer models of head-on collisions between icy moons thickened one large moon’s buried ocean for about two billion years but cost smaller moons an early one. Saturn’s Rhea, a cratered test case, was not simulated.
Vipers make serum proteins that neutralize their own venom. Combinations of them fully blocked the lethal action of three viper venoms in mice, partly blocked two more, and did nothing at all against the African puff adder.