Human-Like Ability, Categorical Perception, Found In Insects
...so-called continuous perception," Wyttenbach said, explaining that continuous perception allows human color vision to discriminate hundreds of variations between "blue" and "green," even though humans cannot precisely label each bluish-sort-of-green color. "A more useful ability in some situations is our abili......y Journal said Zallen "has done a terrific job of explaining the basicsof genetics, outlining likely scenarios for individuals and familieswho suddenly (often through prenatal testing or through the birthof a child with a genetic disorder) or eventually (as a possiblecarrier or family member) need more informa...Female Fireflies Lure Males For Defense Chemical
...reflies have romance on their minds," said Eisner, explaining the complex system of flickering "passwords" that luminescent beetles use to locate mates of their own species. "Generally, courting males are the fancy flashers, and they signal with their light organs in characteristic, species-specific patterns o...ACS Aids Cornell Vet School Cancer Research
...earchers are interested in WDSV in walleyes and in explaining how other cancer-related retroviruses interact with the immune systems of their hosts. The study could produce new information about how processes such as superinfection, viremia and immune responses are related to cancer in other animals, includin...Memorial Sloan-Kettering Investigators
...RA,while in PLZF-RAR they were insensitive to RA, explaining why retinoic acidworks in some APL patients but not others. Armed with this new knowledge, the MSKCC researchers set out to findways to undo this chain of events. They knew that genetic material in achromosome is tightly held together by prot...Good Ergonomics Is Good Economics
...ine: Validating a GOMS analysis for predicting and explaining real-world task performance. Human-Computer Interaction, 8,237-309. Imada, A. S., & Stawowy, G. (1996). The effects of a participatory ergonomics redesign of food service stands on speed of service in a professional baseball stadium. In O. Brown, Jr....High Testosterone Level May Lead Male Junco To Stray From Mate
...of learning more about testosterone’s role in explaining whysome bird species are monogamous and others are polygynous. The work wassupported by the National Science Foundation ,the Indiana Academy of Science and the Center for the Integrative Studyof Animal Behavior at Indiana University.......nsfer task (e.g. evaluating anddesigning tests and explaining outcomes of tests) will be assessed. "Together, the lab and classroom findings will form the basis for thedesign of new curriculum units that are grounded in cognitive theory and will beintegrated into the classroom context," Klahr says. For...Learning About Evolution Critical For Understanding Science
...h each other." Teaching evolution is essential for explaining some of the most fundamentalconcepts of science, the guidebook says. Like all scientific theories,evolution explains natural phenomena by building logically on observations that can be tested and analyzed. The book: summarizes the massive amount...Retinoic Acid Used In Cancer Treatment
...rch . Previously, progress by Yen's laboratory in explaining the role of retinoic acid was reported in a series of articles in several journals, including Blood , European Journal of Cell Biology and Experimental Cell Research. Retinoic acid is a metabolic product of retinol, the active form of vitami...Gene Study Shows Mammals Lived Before Extinction Of The Dinosaurs
...was by taking a 'bioinformatic' approach," hesays, explaining that they used computers as well as manual methods to comparethousands of gene sequences and test them for rate constancy using differentparameters. "It very easily is the largest evolutionary study of gene sequencesever done for estimating the orig......ern United States in spring 1993, theU.S. had some explaining to do, says Zelicoff. The outbreak was sudden, it wasoften fatal, and it was confined to a region where military research takesplace. To some, it looked like the U.S. might have been experimenting withbiological agents forbidden under current treatie...New Research Shows That Swarms Of Mayflies Are Laying Their Eggs On Roads Rather Than Rivers
...halt roads is alsohorizontally polarised, possibly explaining their allure. To confirm this, the researchers offered mayflies various surfaces forlaying their eggs, and measured how strongly each one polarised the light itreflected. They found that the insects swarmed more frequently above a shinyblack...Scientists Discover New Players On The Gene-Activation Team
...that has an acetategroup attached to it," he says, explaining that the Gcn5 enzyme takes theacetate group off the Acetyl CoA molecule and adds it to the histones. One reason the Workman group was able to make so many discoveries atonce is that it is the first lab to isolate and purify the individual HATcomplexe...Microbiologist Develops Method For Dyeing Fabrics With Gold
... "Essentially, you can use any metal," Todd says, explaining his firstexperiments were with gold and titanium because they're common in the medicallaboratory where he developed the process. The simple process begins by soaking a piece of fabric in distilledwater and then in a reagent that creates "site...AAAS Announces The Winners Of Its Science Journalism Awards
...excellent example of how science can be applied in explaining an urgent localissue. Robyn Suriano and Todd Halv...on are honored for their initiative and balance in explaining thepotential risks associated with Cassini, NASA's probe of Saturn. They wentbeyond reporting on the...Rare Fossil Shows Theropod Dinosaurs Are Fast, Dangerous 'Turbocharged' Reptiles
...r theywanted to. That might go a long way towards explaining why they were able todominate mammals for 150 million years." Geist and OSU colleague Terry Jones made these observations after studyin Salerno, Italy, of a fossil first discovered just a few years ago of a babyScipionyx, a meat-eater that li...New Technology Turns French Fry Oil Into Diesel Fuel
...en eat at Kentucky Fried Chicken,"Fox laughs while explaining how the service's fears were allayed. YellowstoneNational Park later began experimenting with biodiesel in its "Truck in thePark." A major benefit for the national parks and many other users of biodiesel is thatthe fuel is rapidly biodegradable, unli...A Mother's Love? New UD Theory Explains Why Good Insect Moms Risk Death To Save Their Only Children
...sects when they evolved." Tallamy cautions against explaining different human mothering styles by pointingto insect behaviors. Unlike insects, he says, people are influenced by culturaland societal factors, and their behaviors are far more complex. "It would besilly to say, `Oh, this explains why So-and-So is s......physicists will reveal ageneral theorem capable of explaining the phenomenon, known as allometricquarter-power scaling. "The pulse rate of a mouse weighing 30 grams may be 600 beats per minute,whereas the heart of a 5 ton elephant beats only about 30 times per minute,which is an example of how pulse rate in mam...