Student science contest participation influences study, career choices, alumni say
...ke a presentation on the findings." "The ABC goes one better in providing you with a scientific ment...esbiens "It really opened my mind to what goes on in real research labs and became a big influence in my career choice." Thanks to the Avent...DNA barcode finds four new bird species
..." says Stoeckle. As the cost of DNA sequencing goes down, Stoeckle and other proponents of DNA barcoding envision developing a hand-held device that amateur naturalists and others could take outdoors for species identification. "New species won't be determined by DNA analysis alone," says Stoeckl...Punching the timeclock of life
..." Longo said he realizes that this theory goes against the fundamental theories of evolution, which is why he took 10 years to publish, combing through scientific papers dating back to the 1870s to learn about the genesis of the theory of natural selection and speaking with prominent evolutionary......gether and split in two. When mitochondrial fusion goes awry, cells are targeted for programmed cell death, or apoptosis. Apoptosis is a normal process in healthy individuals, but if mitochondrial fusion doesn't work, the wrong cells die, causing disease. This is what happens in two neurodegenerative dis...New fruitfly model of diabetes has future implications for pancreatic cell transplantation
...as glucose. However, when this finely tuned system goes wrong, all-too-familiar diseases arise: diabetes when there is too much sugar; hypoglycemia when there is too little. Because of the unexpected similarities between the insect and human pancreas, Rulifson explains that now the fly can serve as a si...TANGO: towards faster prognosis of Alzheimer's and Parkinson's diseases?
...ie this group of diseases. When protein structure goes awry All living creatures, including humans, are ...y into its 3-dimensional structure. Sometimes this goes wrong and the proteins stick together, making them toxic and causing diseases like Alzheimer's. TA...Columbia research to examine gene influence on severity of peridontal disease, therapy response
...s. Periodontitis occurs when infection of the gums goes untreated and inflammation spreads to ligaments and bone that support the teeth. The disease is the leading cause of tooth loss in adults. Currently, periodontitis is classified into two groups chronic and aggressive that are categorized based on ...Endangered species list more bleak than originally thought
...gered." "What we wanted to learn was, if the host goes extinct, how many other species will go with it," said Proctor. "It would be easy if there were always a one-to-one relationship with a host and its affiliate; however, not all parasites, for example, are restricted to a single host species. The tri...New research suggests link between maternal diet and childhood leukemia risk
...ked to cancer later in life begin in the womb. "It goes back to the old saying to expectant mothers, 'You're eating for two,'" said co-author Patricia Buffler, U.C. Berkeley professor of epidemiology and head of the federally funded Northern California Childhood Leukemia Study. "We're starting to see the ...Sandia experiments may reduce possibility of future water wars
... New Mexico's water use is agricultural. Over half goes toward growing forage. Most of this is alfalfa. Similar conditions of water use exist in many places in the world. Conventional farming methods in arid regions lose huge amounts of water through evaporation and over-absorption by soil. ...Computer scientists at UH developing 'nurturing' computers
...maging," Pavlidis said. "That is, the temperature goes up around the area surrounding the orbit of the eye due to increased blood flow, telling us that our subject is experiencing some sort of emotional distress. This periorbital area is the facial area affected the most from blood flow redistribution d...Bone marrow cells routinely help with wound healing
...red area around a wound. The inflammatory response goes away within a few days to a week, assuming there is no continued infection. "Scientists have long assumed that once the inflammatory response concludes, the white blood cells mostly either then die or go into circulation in the bloodstream. We did ...Scientists discover proteins involved in spread of HIV-1 infection
...rotein has made it hard to understand what exactly goes on in humans. Now, Wesley Sundquist, professor of biochemistry at the University of Utah, and his colleagues report that they have found the human version of Vps37p. "Our paper describes the identification of the human VPS37 proteins. This is a ne...Modest climate change could lead to substantially more and larger fires
...hich species might migrate if their home territory goes up in flames, also could be affected, possibly eliminated. "The winners after fires in these cases are the weedy, adaptive, quickly reproducing species," McKenzie says. "The losers are the ones needing more stable environments."...Environmental costs of home construction lower with wise choice, reuse of building materials
Most of the energy that goes into building U.S. homes is consumed not by the power tools, welding and trucking during construction but during the manufacture of the building materials, according to a comprehensive life-cycle assessment comparing typical wood-, steel- and concr...Images reveal how rotavirus - leading cause of diarrhea - enters cells
...f the cell it's trying to infect. "This protein goes through some extraordinary gymnastics that are almost certainly related to its function," says Dormitzer. First, when rotavirus arrives in the intestine, digestive enzymes cause two of the three VP4 molecules in each cluster to form a rigid spike, pr...Researchers find clues about how antibodies specialize
...e next step, then, is to figure out what sometimes goes wrong and allows the AID-RPA complex to go to the ...o the variable regions, we can ask how the process goes awry to cause mutations of genes that could lead to cancer," says Alt. RPA is found throughout the b...Genetic clues found for common congenital brain disorder
.... "Until now, we have had no understanding of what goes wrong during development to cause this malformatio...lso have broader implications. Understanding what goes wrong in Dandy-Walker malformation could provide clues about autism, in which similar but much milde...MIT research that stops pain of needle jabs gets FDA approval
...ch fluids can be extracted and delivered. The skin goes back to its normal state within 24 hours. "The best thing is that approval of this device opens the door to many new uses such as glucose-sensing or insulin delivery for diabetics," said Langer, who explained that the microscopic openings created in ...UCR earns $1.5 million grant to examine how engineered crop genes stray
... is a raging debate about genetic engineering that goes beyond the issues of biological science." A third co-investigator, Bai-Lian (Larry) Li, is a mathematical and theoretical ecologist who is an associate professor of ecology. "The coupling of natural and human systems adds an additional layer of comp...