Hawaiian Whales Show 'No Overt Response' To Sounds Of ATOC Simulation
...onal Marine Fisheries Service, which is reviewing reports from the Marine Mammal Research Program. Start-up of ATOC was delayed in 1994 when some biologists and environmentalist groups expressed concern that ATOC sounds could harm -- or even deafen -- whales and other marine mammals with sensitive hearin...Hibernation: The Opposite of Sleep?
...only problem with it, zoophysiologist Brian Barnes reports in theSeptember/October issue of The Sciences (p.12), is that it is dead wrong. Instead of blissful slumber, what hibernating animalsexperience is more like a months-long bout of insomnia. Barnes studies arctic ground squirrels, groundhog-like rod...Study Shows Songbirds Switch From Bugs To Berries To Fuel Fall Migration
...600 of their droppings todetermine their diets. In reports to be published in Studies in AvianBiology and tentatively accepted for publication in The Condor, Parrish found that a dietary switch from insects to fruit occurred to somedegree in the majority of the 69 species sampled. Several species followed...Duke Primate Center Sets October Expedition To Find 'Juliet'
...d to enforce, Simons said.He cited recent reliable reports of cages of illegally captured diademedsifakas presumably destined for the dinner table that had been seized bylocal authorities after at least one had already died. In the remote jungle,poaching and eating by villagers usually goes undetected. Youn...Researchers Find Genetic Clues To Intestinal Disease
...ients 40 years and older. The other authors of the reports are Joseph M. Polito II, Renee C. Rees, Barton Childs, Albert I. Mendeloff, Mary L. Harris, Arron Z. Tokayer, Shirley A. Quaskey, and E. David Mellitis. Individuals who want to participate in the Crohn's disease family studies at Johns Hopkins can ge...Scientists Identify Retrovirus-Like Components In Corn Genome
...ournal Science, Purdue biologist Jeffrey Bennetzen reports that the maize genome consists primarily of a class of mobile DNA called retrotransposons. Though these segments of DNA are not part of the active genes in the corn plant, they have the ability to multiply, move about and insert themselves throughout...Impact of Meteorites, Drop in Sea Level Caused Mass Extinctions 65 Million Years Ago
...n the November 22 issue of the journal Science reports the researchers' evidence supporting the controversial theory that the extinction of dinosaurs and many other species was caused by the impact of a huge meteorite that crashed to Earth some 65 million years ago. "The end-Cretaceous extinctio...'BirdSource' Website For Citizen-Science Data
...rocess both historic data and continuously updated reports has stretched the capabilities of World Wide Web a...vements of bird populations, just like the weather reports track the movements of storm fronts. We will have up-to-the-minute accounts on where birds are at a......echnology in New England: Trends and Indicators , reports that New England universities, which contribute si... The report is the sixth in a series of regional reports published by the AAAS Center for Science, Technology, and Congress to inform scientific and engine...Erodible plastic microspheres could be effective oral drug delivery system
...nal Nature , ateam of Brown University scientists reports the production of drug-filledmicroscopic polymer spheres that when taken orally enter the bloodstream bycrossing the intestinal lining, travel body-wide and degrade, releasing theirtherapeutic load. The process dramatically increases the oral effecti...Overweight Cats Risk Disease And Premature Death, Cornell Study Finds
...t could affect body condition. Analysis of those reports found several factors that are associated with being overweight: Cats living in apartments are about two times more likely to be overweight than are cats that roam larger houses or the out-of-doors. Neutered cats are 3.4 times more likely to be o...Scientists Trace Roots Of Protein That Keeps Antarctic Fish From Freezing
...ported by University of Illinois researchers intwo reports published in the April 15 issue of Proceedings of the NationalAcademy of Sciences. The first paper, focusing on the Antarctic fish, gavethe first look at the genetic process of creating a new protein for speciessurvival. "Most new protein genes evol...Calorie Restriction Reduces Age-Related Muscle Loss
... review article in Scientific American and several reports inother prestigious journals, was the first to show that even startingrodents on a controlled diet in midlife produced longer-lived, healthieranimals. A researcher at the Geriatric Research, Education and ClinicalCenter at the William S. Middleton V...Couch Potatoes, Not French Fries, May Be To Blame For Obesity
...tates and regions. The general assumption in media reports and among some nutritionists is that fast food leads to obesity, Binkley says. That is what Binkley expected to find when he compared the data. "It wouldn't have surprised me to find that there isn't any relationship at all at this level," he says. "...Evolutionary Advantage Found For Sex
...ge for sex, a researcher at Wake Forest University reports in the July 31issue of the journal Nature that sex helps weed out harmful genetic mutations,increasing a population's genetic fitness. Clifford Zeyl, assistant professor of biology at Wake Forest University,said that his studies of sexual rep......terventions intotheir progression. Several related reports will appear in the August issue ofNeuron and the August 8 issue of Cell. Each of these diseases can be traced to a different flawed gene, buteach shares a common problem in its DNA -- instructions for producing the aminoacid glutamine are rep...Largest Tyrannosaur Fossil Unearthed In Montana
... carnivore on the planet.," he says. Rigby reports that the pubis, one of three main bones in the pelvis,measures at least 52 inches, compared to 48 inches in the largest known T. rex. The femurs or thigh bones, which paleontologists normally use to estimate thesize of dinosaurs, await excavation at ......the gene thatencodesthe D4 receptor, and there are reports that some forms of the D4 gene maypredispose an individual to drug taking and novelty seeking behaviors.The D4 receptor has been the focus of intense interest since itsdiscovery in1990 because of its high affinity for the antipsychotic drug clozapine...Hormonal Changes At Puberty Can Mask High Cholesterol In Blood
...ce between thegroups was not as great as expected, reports Kwiterovich. The researchers found that the degree of sexual maturation, defined by pubichair development in boys and girls and breast development in girls, wasassociated with a notable decline in LDL. But in face of the hormonal change of puberty th...