UNIVERSITY PARK, Pa. — Brine water that flows back from gas wells in the Marcellus Shale region after hydraulic fracturing is many times more salty than seawater, with high contents of various elements, including radium and barium.
Washington, D.C.— An international team of scientists, including Carnegie's Paul Butler, has discovered that Tau Ceti, one of the closest and most Sun-like stars, may have five planets. Their work is published by Astronomy & Astrophysics and is available online.
A surprising number of microorganisms – 99 percent more kinds than had been reported in findings published just four months ago – are leaping the biggest gap on the planet.
As a new year approaches, the University of Notre Dame's John J. Reilly Center for Science, Technology and Values has announced its first annual list of emerging ethical dilemmas and policy issues in Science and Technology for 2013.