Razing old dams solves some problems, creates new ones
...tates, and, over the years, more than 60 have been torn down in Wisconsin. "It's a moment in history to see water flow again for the first time in more than 150 years and to watch fish go places they haven't been for generations," says Stanley. Despite these good feelings, she cautions, "Very few quantit...Spinal cord injury and Alzheimers risk among topics at American Chemical Society meeting
...re developing injectable magnetic fluids to repair torn or detached retinas, a technique that could help prevent blindness in thousands. (POLY 374, Wednesday, April 10, 10:45 a.m., Convention Center, Room 314A, Level Three) Survey identifies drugs most likely to be found in the environment Antide...Discovery of 'tidal giant'--a new Egyptian dinosaur--reported in Science
...utures. In fact, the pelvis was ripped apart, just torn to bits," says Smith. The researchers also uncovered the probable scavenger's calling card-a tooth, too big to have been transported to the site, possibly from the carnivorous dinosaur Carcharodontosaurus . Along with Paralititan , the Science ...Researchers study muscle cell damage that occurs when astronauts return from space
...repair a flat, by applying a membrane patch to the torn spot." Dr. McNeil first identified this patching process in some of life's simplest forms: sea urchin eggs and fibroblasts. Now, with funding from the National Aeronautics and Space Administration, he's determining if the process holds up in more c...New technique answers one of waters basic mysteries
...ex computer simulation that showed how a proton is torn away from a water molecule. The pH is a measure of the number of protons, or hydrogen nuclei, that are pulled from a water molecule and roam freely. The number of these free protons determine how water behaves when it comes in contact with other subs...Success of introduced Argentine ants tied to reduced genetic variation
...y two hundred meters away in its native country be torn apart? Tsutsui set out to answer that question by comparing the genetic differences among the ants in Argentina with those in various parts of California, from San Diego to Ukiah. Using some of the same DNA fingerprinting techniques employed by cri......and-use change. "That's because soil is usually torn up," she said. "It's taken perhaps a hundred years to form an inch of soil, and whether we're digging a ditch or cultivating a garden, we're disturbing that ecosystem, the habitat for thousands of species." Of the global change drivers, carbon di...A Phoenix From A Ring Of Fire Is A Pattern For The Recovery Of Mount St. Helens
...isappeared, and one entire side of the volcano was torn away and dumped into the sea. In 1930, 47 years after the eruption, a new island with its own smoking volcano suddenly appeared in the waters surrounding the battered Krakatau. This was called Anak Krakatau -- or child of the volcano. ...