Scientists discover key egg enzyme for blocking sperm entry after fertilization
...ents to produce peroxide and keep it away from the fragile embryo. "Peroxide is what we put on skinned knees to kill germs and on hair to get that summer sun-streaked appearance. It is not something we would expect an egg to be dealing with," says Dr. Wessel. Yet "deal with it" it does. Without hydrogen pero...US trees affected by growing number of health concerns
...nd trunks, eventually causing death. Rare pines in fragile ecosystems are now threatened by this disease. Plant pathologists use a variety of methods to manage these and other tree diseases, but cite the need for further funding in order to develop additional methods of disease control. Critical ...Study shows stem cells can preserve vision
...e secreting a factor or substance that saved these fragile cells. (There is growing evidence that rod cells keep cone cells alive by secreting a special factor) To test whether the mice with transplanted stem cells could see better, the team then placed them and the control mice (without the transplants or w...Look at past sea-level rise points to troubling future
... research has found that rising seas can overwhelm fragile coastal structures like barrier islands and river delta headlands, the vast wetlands that are deposited by rivers when they empty into the sea. He began studying the geography of the U.S. Gulf Coast about 15 years ago. Four of his students -- Alex Si...NASA & partners create new worldwide coral reef library
...nswer the key question about how the reefs and the fragile ecosystems they support are adapting to a changing environment. This newly released dataset will help provide the baseline against which future observations can be compared," said Gene Carl Feldman, SeaWiFS Project manager at NASA's Goddard Space Fli...Plentiful fossils of dinosaur contemporary allow population study
...d." The bones are still in the rock. "They are too fragile to remove from the sediment." Nevertheless, with 90 specimens so far, Casey has measured everything she can about all the little bones shape, size, relationships more than 100 linear measurements. She plots each fossil using statistical methods to ...Support for fragile X syndrome needed
... discuss ways to bolster support for children with fragile X syndrome (FXS). McGill University's Neuroscience...ucation system in Montreal with most children with fragile X are 'coded' under the autism category." Indeed, many parents and educators of FXS children lack re...Award-winning INEEL probe to help safely monitor hazardous waste sites
...pushed directly into the earth, Clark says. To put fragile sensors underground, workers used a rotary drill to first dig up soil. Then they lowered probes to the bottom of the hole and covered it with loose material such as sand. But installing GEOPS is almost as clean and simple as pushing a needle into an...National Science Foundation awards $2 million grant to UC Riverside
... of weeds is a huge problem for maintenance of our fragile biodiversity, which is already impacted by development." Allen says that most of the nitrogen is the result of automobile emissions. Some of this is converted to nitrate or nitric acid, the form of nitrogen (known as N) that is used by plants as fert...