Computer Program For Quicker, More Detailed Mapping
...they're not detailed enough to allowsequencing the whole genome. Next, we'll do more of the same but with fivetimes the number of markers so that we can use the maps for sequencing,"said Myers. The coming maps will also help researchers find the particular DNA markersthat are used to diagnose disease. "Th...Children Become Gorillas In VR Zoo
...on. They could have made a cartoongorilla. But the whole point was to make it realistic." Students using the virtual reality system will be transported intothe zoo's Habitat 3 with a typical gorilla family. In reality, thishabitat is the home of Willie B, a 439-lb silverback male, and hisfamily -- Kinyani...Honeybees In The Wild Nearly Gone In North America
...n'tcontribute to the output of the colony, and the whole populationcrashes and dies. "If there had been tracheal mites only, there's a good chancethe wild honeybee populations could have recovered fairly quickly.But with the combined effects of the tracheal mites and varroamites, it became too much of a ch...NCAR Scientist Models Earth's Climate and Vegetation Patterns At Last Glacial Peak
..., as now, but there were fewer trees globally. The whole world was colder in both summer and winter, with a global average temperature four degrees Celsius lower than now and atmospheric carbon dioxide (a greenhouse gas) at just over half of today's levels. Felzer's study checks the NCAR model's reliabilit...Duke's Russian Laser Making Ultraviolet Light And Gamma Rays
...onvolts, their higher intensities would "open up a whole new field forTUNL," said Tornow, who has begun a cooperative research program withMadey's lab. At the higher energy levels, the OK-4's gamma beams might allow TUNL scientiststo infer the relative masses of the up-and-down quarks within protons andne...Sea Turtles Have Favorite Oceanic Routes
...ll. "People might say, 'Oh, at least they have the whole ocean to live in.' With the discovery that turtles are concentrated within narrow corridors, what we're finding is that this may not be true," Morreale said....Scientists Identify Gene For Sexual Behavior In Male Flies
...e findings on fru provide a starting point for a whole hostof other studies, to learn how sexual behavior and sexual orientationare specified by genes and controlled by the nervous system," Wassermansaid. "Our data so far suggest that fru is involved in interactionsbetween a handful of specific brain c...The CIA Would Like To Know What Scientists Are Seeing Over The Rainbow
...rent diagnostic techniques is limited in examining whole chromosome sets, called karyotypes, for changes because the methods rely on chemical stains that reveal only shades of gray. Pieces exchanged from one chromosome to another--a process called "translocation" that is often associated with disease--can...A Drug Pump On A Computer Chip
...uild hospital infusion pumps any longer, since the whole health care system is striving to keep people out of hospitals," Huff said. "Drug delivery systems should be based on ambulatory delivery." Medical care has already begun to feel the influence of microelectromechanical systems. Ten-dollar dispos...Everyday Technology Underlies First DNA Computer Logic Gates
... Ray and Ogihara's DNA logic gates open up whole new possibilities, since they mark the first step toward building a DNA computer that would perform calculations in the same way as electronic computers. These gates -- actually tiny DNA processing centers -- detect specific fragments of the gene...Low Iron Levels Cause Weakness In Women Who Are Not Anemic
...e absorption from iron-rich foods such as legumes, whole grains and green vegetables. The research was supported, in part, by the U.S. Department of Agriculture....Cricket And Chemistry Combine To Provide New Understanding Of How Fats Work
...nd "off stump" of fats that will provide us with a whole new understanding of fats. The chemical lay out of fats is in the shape of three long chains connected together at the top of those chains by a short chain akin to the bales on a set of cricket stumps. Chemical companies have long been aware that t...Evolutionary Advantage Found For Sex
...way ofreproduction," Zeyl says, "but if you have a whole population of organisms whoare sexual, it appears more likely that they will carry around fewer mutations.So if you combine sex with natural selection, you end up with a fitterpopulation."...Progress In Prion Research: Three-Dimensional Structure Of Prion Protein Fully Uncovered
... the structure described then isindeed part of the whole protein. What is new is the discovery that the entireremainder of the molecule is not folded, and highly flexible. Both results are afurther step towards a deeper understanding of prion diseases. They will beuseful in planning future biochemical and ...Trojan Horse Virus Controls Hiv Infection
...l Biology. "The concept could be used todevelop a whole new class of agents that are useful for controlling disease." "Although additional in vitro and animal studies need to be performed beforethis novel virus can be tested in humans," comments NIAID Director Anthony S.Fauci, M.D., "this concept of cel...Wonder Thread: UD Scientists Report First Protein With Collagen And Elastin-Like Domains
...s fun to dream about versatile new materials for a whole host of products--from steel-belted radials to shoes, which must be soft and flexible, yet tough enough to pound the pavement." Waite emphasizes that his current work primarily provides fundamental insights into the molecular construction of byssal t...CTC Visualizations Help Ecologists See The Forest And The Trees
...riations in such processes as tree mortality."This whole exercise is really about identifying details at the individualtree level that are important to the large scale dynamic," explainsDeutschman. He ran hundreds of simulations examining different scenariosas the forests evolved over 1,000 years in 5-year...Geologist Finds Evidence Supporting Mysterious Ancient Sea
...hange their compositions during thetime in which a whole series of these ash beds were being formed.That indicates the continent was shifting positions at the time." Huff believes the process is very similar to the modern daySouth Pacific where volcanic islands like Borneo and Sumatra arebeing driven towar...... Roanoke in Roanoke, Va. "Watchable Wildlife is whole lot morethan birdwatching! From the viewpoint of a professional biologistand wannabe educator, I see Watchable Wildlife as a tool to attractand interest the public long enough to teach someone somethingabout nature -- so that he or she connects with ......d, "We found that all tissues we cultured from the whole animal were glowing on and off, demonstrating that lots of clocks are running throughout the fly, independently of the brain." Under normal light/dark conditions, the clock genes rhythmically luminesced in each of the segments -- head, thorax and ab...