Experimental Drug Derived From Snake Venom Shows Promise In Reversing Effects Of Stroke
...aking blood vessel in thebrain." There are sharp contrasts between the treatments, however, says Sherman. TPA is administered in a single-dose, hour-long injection and resultscan be seen soon thereafter. ANCROD is given intravenously through a catheterover a 3-to-5 day span in the hospital...Solid Waste Incineration May Exceed Leaded Gasoline As Source Of Lead Air Pollution In Cities
...areas during the20th century. The findings are in sharp contrast to current mainstream thinkingin the scientific community and provide a new perspective on the environmentalimpact of burning solid waste, according to the researchers. The study, reported in the Jan. 20 web edition of the scientific jou......eltatheridium was an opossum-like mammal with very sharp molars and long canines, suggesting it may have been a carnivore. With a skull almost two inches long, Deltatheridium was a relative giant in the Lilliputian world of Mesozoic mammals. Its diet probably included lizards and other early mammals. On......rld. But the former Soviet Union has experienced a sharp recurrence of thedisease during the 1990s, and public health officials are watching with alarm asthe outbreak trudges westward toward Europe. Ringe was joined in the work by Andre White and Xiaochun Ding at Brandeis andJohanna C. vanderSpek and John...USGS Issues Wildlife Health Alert: Associates Virus With Salamander Die-Offs
...including frogs, toads and salamanders) have shown sharp population declines in many parts of the world in recent years. Whether the recently identified salamander disease is related to global amphibian declines is still unknown. Salamander die-offs have been reported previously, but scientists are not sur...USGS Finds Sea Otters At Risk From Killer Whales In A Changing Ocean
...e University of California,Santa Cruz, reported on sharp reductions in sea otter numbers in the NorthPacific rim. "We estimate that between 40,000 and 45,000 sea otters have died since 1990 fromkiller whale predation in roughly 3,300 kilometers of shoreline," said JimEstes, a biologist at the Western Ecol...Ribozymes Come Ready For Action
...must be aligned precisely if they are to provide a sharp image of amolecule's three-dimensional structure. But RNA molecules are difficult to alignbecause they don't usually have many surface "nooks and crannies" to help themolecules stick together within the crystal. While Doudna's group could easilycryst...New Satellite Tags Track Movements Of Atlantic Bluefin Tuna
... are in dispute and their breedingpopulation is in sharp decline. The microprocessor tags, deployed in 1996 and 1997 by scientists from StanfordUniversity, the Monterey Bay Aquarium and the National Marine Fisheries Service,revealed that tunas tagged off Cape Hatteras, N.C., were able to move as far as1,67...USGS Responds to Amphibian Declines With Program In Great Smokey Mountains National Park
... survey is in response to the worldwide reports of sharp declines in the numbers of amphibians; researchers believe that by monitoring the status and trends of amphibians in the Great Smoky Mountains National Park they can help predict trends in amphibian populations elsewhere around the nation. To surve...Study Finds Russian Women, Children Not Getting Enough Iron In Their Diets
...s of traditionallyimportant suppliers has led to a sharp rise in the cost of many basic foods inRussia," said Dr. Martin Kohlmeier, research professor of nutrition at theUNC-CH schools of public health and medicine. "This has raised concerns thatsome Russians cannot afford the foods they need to maintain o...University At Buffalo Energy-Conservation Projects Record Highest Savings Among Campuses
...garaMohawk Power Corp. Wagner pointed out that in sharp contrast to less expensive, quick-fix projects,this package of energy-saving measures, which has affected virtually every oneof the 45 buildings on UB's North Campus in Amherst, took a comprehensiveapproach. It has resulted in estimated annual savin...A Phoenix From A Ring Of Fire Is A Pattern For The Recovery Of Mount St. Helens
...ash thrown up in the first days of an eruption is sharp and highly abrasive pumice -- basically powdered g...r the Mount St. Helens explosion. Even the first, sharp tephra is quickly rendered less lethal, as it gets "matted" by rain, and covered with detritus. So ...Duke's Russian Laser Making Ultraviolet Light And Gamma Rays
...ht, whichis then amplified and concentrated into a sharp beam by rapidly bouncingthe light between mirrors within an "optical cavity." The OK-4's successful lasing at Duke means that it now becomes "theshortest wavelength and the most powerful ultraviolet wavelength FEL inthe United States so far," said V...From Corn Rootworms To Art, Cornell's Reactor Is At The Core
...clear reactor on campus, the entomologists can get sharp pictures on film of their corn roots and the rootworms in soil around it. The technique is called neutron radiography, and professors from art historians and agronomists to zoologists can use it to get detailed pictures that X-rays cannot produce. ...