Tiny tango: Device sorts microscopic particles with speed and precision
...ere is a deterministic (non-random) way to do this really flies in the face of conventional wisdom," said Austin. "It's something I never would have thought of." The device could greatly speed up and expand many areas of biological research and could largely replace some centrifuge devices that ar...Late invasion of infected cells into the brain causes HIV dementia say Temple researchers
...rafficking of the macrophages late in infection is really responsible for dementia in HIV patients." Rappaport has recently received a five-year, $2 million grant from the National Institutes of Health to continue exploring the trafficking of HIV-infected macrophages, not only in the brain, but in other or...Continents played key role in collapse and regeneration of Earth's early greenhouse, geologists say
... evolution of the early atmosphere. ''This is really the first time we've tried to put together a pictu...'In the geologic past, climate and atmosphere were really profoundly influenced by development of continents.'' The record in the rocks To piece t...Single gene mutation muddying Parkinson's risk forecasts
... are you going to counsel patients? What does this really mean?" Nutt said. Whatever the cause, Nutt believes counseling single-mutation patients about their risks of developing Parkinson's disease will be difficult at best. "You just don't know," Nutt said. "Clearly, if you have two copies, then we think y...Research gives hope to preemies and Crohn's patients
...eing on an IV for all a person's nutritional needs really affects his quality of life, and it puts him at risk for long-term complications, such as bone demineralization and liver failure. Many of these children eventually require organ transplants to survive. Our goal is to take kids who've had this resect...Temple virologist receives NIH grant to continue investigation of HIV dementia complex
...ion of the central nervous system and the brain is really the cause of severe HIV dementia, and currently 10...er organs as well. "So the grant we've received is really to look at the issue of generation and trafficking of these macrophages, where they're being expande...Two dinosaurs from Africa give clues to continents' split
...e been a scavenger with head gear," he said. "It's really a beautiful intermediate species of the group that later evolved into the first horned predators." The authors of the scientific paper describing the two new dinosaur finds are Sereno, Jeffrey Wilson of the University of Michigan and Jack Conrad of t...Ecological science for a crowded planet
... and globalize access to ecological knowledge "We really worked to come up with specific actions that we hope will ultimately result in strong regional and global partnerships to create a more sustainable future," says Margaret Palmer, of the University of Maryland and Chair of the committee. "Creating a ...Mutant biological machine makes proteins but can't let go
...n and her colleagues believe these nucleotides are really responsible for catalyzing the protein's construct...y lacks. "We had hoped to see one of the mutants really stand out as being incapable of doing this reaction," says Green. "But instead, none of the mutants ...Mite transmits viruses damaging to wheat
.... "Wheat streak is wide spread now, but the really bad fields, the ones that are dying, have usually been infected with both viruses that multiply only on living plants," he said. Wheat is an excellent host for wheat streak mosaic virus; other grass species can host both wheat streak and High P...Study helps satellites measure Great Lakes' water quality
...broader view of trends in the lakes. If we want to really understand whats happening in Lake Erie, we can take these computer models and marry them to other data to get a more complete picture, Merry said. The models could also apply to other large lakes and seas, such as the Mediterranean. The key to provi...Mysterious beach closures may be linked to contaminated groundwater, study finds
...es at Stanford. ''What we've found is that sand is really not a filter or a barrier.'' The discovery that contaminated groundwater can discharge into the ocean and mix with coastal seawater may help explain some of the mysterious bacterial infestations that plague American beaches every year. According to a...Cutting back on cigarettes: when less is more
... who are trying to help them quit. "The human body really is a miracle. It knows when it is not getting what it's used to, and it automatically does something about it," says Karen Ahijevych, an associate professor of nursing and a member of The Ohio State University Comprehensive Cancer Center Arthur G. J...MBL researcher and science teacher visit Siberia to study climate, excite children about science
...his [collaboration] will be the start of something really great in science education." Holmes says the MB..."Younger kids get so excited about this and it can really impact them," he says. "It can help them appreciate science and I think that's good for all citizens......tical potential of new chemical compounds. "We're really pleased to have the opportunity to participate in this joint program and to help build the marine biotechnology industry in the state of Florida," says Dr. Wright. The expedition, the first for the Center of Excellence, will depart from Harbor Branch...Scientists discover secret of dolphin speed
...s over the surface. Professor Hagiwara said: "It's really difficult to measure flow near swimming dolphins, so we designed an experiment that accurately reflects the way the surface layer of dolphin skin interacts with water flow over and around the dolphin". He continued: "This research is important becaus...Artificial light-dark cycles expose circadian clocks at odds with each other
...ve been isolated for a much shorter time than they really have been. That's because, lacking the usual time cues, the body's internal clocks start cycling at different paces, one running with the normal human period and one with a much longer period that makes 33 hours feel like one day. "We think the phen...Dramatic decline of California native frog linked to introduced trout in mountain lakes
...dropping fish out of airplanes, that the landscape really changed. The reason there were no native fish in l...the top of the watershed, they swim downstream and really alter the ecosystem." Vredenburg, who has conducted more than 900 censuses of the frog population at...Fat fighting undermined by over active eating pacemaker
...ced scepticism and doubts as to how hard they were really trying to stick to diet and exercise regimes. This research shows that there may indeed be very good reasons why they seem unable to solve their weight problems simply by employing the usual methods, - eating less may be a more difficult and complic...ASU advance could provide insight into human's ability to recognize patterns
...is how humans can recognize faces. "It is still a really big mystery as to how human beings can remember so many faces, but that it is extremely difficult for a computer to do," said Ying-Cheng Lai, an ASU professor of mathematics and a professor of electrical engineering in the Ira A. Fulton School of Eng...