Moving DNA Molecules With Magnetic Tweezers
... manipulating molecules in ground-breakingresearch that could lead to new surgical tools and drug delivery...ontinue studying and refining the tool. The forces that allow Wirtz's device to work are already familiarto any child who has played with a magnet. If you p...Bog Beetle, Misidentified For 85 Years, Is 'Discovered' At Cornell
...nsect collection when they stumbled upon a species that looked familiar but which they could not immediate... variety of specimens," Liebherr said. "Kip found that one of the specimens just didn't fit the key. We suspected we had something new. This species had s...Bottom-up Ecological Processes Better For Clear Waters, Study Finds
...llutants causing murkywater are actually nutrients that fuel the growth and number of tiny plantsat the bo...f Umeå in northern Sweden. The modelpredicts that food webs will respond to increased growth at the plant level,such as algae, in different ways depen...Bigger Biology Tackled Through Keyboards
...t it goes very fast." Computational biology is at that point, the authors agree. Dazzling newhigh-speed c... allow researchers to beginto account for the fact that neighboring individuals might behave differentlytoward each other than distant individuals -- whethe...ORNL Finds Common Genetic Cause For Epilepsy, Migraine
...as a counterpartin humans (a chromosome 19 region) that had previously been identified ascausing episodic ...ic cause for migraine, ataxia andepilepsy, meaning that tottering mice -- aptly named for their lack ofmuscle control -- represent mouse models for both dis...The CIA Would Like To Know What Scientists Are Seeing Over The Rainbow
...xamine the entire group of chromosomes for changes that could lead to disease, such as missing or extra pieces, or parts from different chromosomes that have swapped places. The technique could prove to be extremely valuable in diagnosis of disease bas...Laser Microscope At Cornell Images Serotonin In Live Cells
...e, all at Cornell. Serotonin is a neurotransmitter that is becoming increasingly important as medical scie... a second), which are focused by the microscope so that there is a high probability that three photons arrive at the same time (in about 10-16 seconds) at t...Researchers Corral Millions Of Microscopic Membranes
...earchers have created a specially prepared surface that holds millions of cell-sized squares composed of an artificial membrane that closely mimics the surface of living cells. According to the researchers, the ability to work with t...Penn State Wetlands Project Seeks Scientific Evaluation Criteria
...rooks says. "The best way to describe our work is that we are creating a sort of template or blueprint that can best match the characteristics of a certain type of wetland to the site where you intend to rep...Birds Deal With "Cocktail Party Effect"
...ces and sounds. Newfindings are providing evidence that humans are not alone in thatability. Like hum...e of many different sounds." Hulse discovered that European starlings were able toaccurately pick out specific bird songs mixed with othersongs. They w...Learning From Birds And Bees: Engineers Study Insects For Ideas On Tiny "Micro Air Vehicles"
...ical people with this idea, their firstresponse is that you cannot build an aircraft this small and make i...nch wings may be significantly differentfrom those that have guided aircraft design since the Wright Brothers'1903 airplane. "There may be something about ...... U.S. Geological Survey (USGS) in Fiscal Year 1998 that calls forincreasing the availability of water qual...neral resources and to push development into areas that areprone to natural hazards or already valued for recreation or naturalresources. This budget is des...Stronger Evidence That Global Climate Change Can Reduce The Variety Of Life
...acodes provides some of the strongest evidence yet that globalclimate change can reduce the variety of lif...es of ostracodes during 11 glacial cycles suggests that theeffects of any future global climate change-whether natural ormanmade-could further affect the ri...Scientists Determine 3-D Crystal Structure Of Cancer-Causing Protein
...mination of this structure clarifies earliermodels that sought to explain how the gene, called src , work...a better understanding of thebreakdown of controls that lead to cancer." Kuriyan heads one of theuniversity's laboratories of Molecular Biophysics. ...'BirdSource' Website For Citizen-Science Data
...stantly see a map displaying reported sightings of that species," said John W. Fitzpatrick, the Louis Aga...t information about diminishing species, in a form that we can understand and use, while there still is time to help." The mission of the National Audubon ......n of ascorbic acid -- vitamin C. There is no doubt that this vitamin is key to human health or that people get it from the foods they eat, but researchers at Boyce Thompson Institute for Plant Researc...Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
...es on the heels of findings by the sameresearchers that some OCD and tic disorders may be triggered by the infectiousbacteria that cause strep throats, called Group A beta-hemolytic, and may betreatable with penicillin. Symptoms of...A Phoenix From A Ring Of Fire Is A Pattern For The Recovery Of Mount St. Helens
...ing a wide swath of devastation. The recovery from that volcanic upheaval is providing scientists with glimpses of the renewal that can be expected after more recent eruptions, in particular that of Mount St. Helens in 1980. ...Ten Years of Progress For Superfund Basic Research Program
...ational,university-based and peer-reviewed program that addresses thisimportant need at this level." The U... on risk assessment andbioremediation of compounds that don't degrade very readily inthe environment. One of the success stories to be presented in Chapel H......ructure of DNAin 1953, biochemists have speculated that hydrogenbonding between DNA's four bases plays a k... of the American Chemical Society suggest strongly that the precision of DNA copying has muchmore to do with DNA's shape and the enzymes that copy it. ...