Alaska scientists find Arctic tundra yields surprising carbon loss
... News and Views section. Bret-Harte, Chapin, lead author Michelle Mack of the University of Florida, Gainesville, and colleagues set out to investigate whether the commonly held assumption that a warming climate will lead to bigger plants that can store more carbon and thereby reduce atmospheric carbon dio...UMaine anthropologist wins Solon T. Kimball Award
...public policy. Acheson, a cultural anthropologist, author and professor at UMaine since 1968, will receive the Solon T. Kimball Award for Public and Applied Anthropology at the association's annual meeting in San Francisco in November. The award, given only every other year since 1978, recognizes outstandin......ne the crystal structure, said Wendy J. Shaw, lead author and PNNL staff scientist. Like bone, teeth are made of HAP, but the proteins present when teeth form create enamel, a material with entirely different properties from bone. If you can control the interactions between proteins and crystals, the same p...Researchers ID chlorophyll-regulating gene
...egative regulator for protochlorophyll," said lead author Enamul Huq, who conducted the study while he was a post-doctoral researcher at UC Berkeley's Department of Plant and Microbial Biology. "We also saw that the longer the seedlings were grown in the dark, the more likely they would die when they were e...Enzyme maintaining chromosome ends is linked to bone cancer recurrence, decreased survival
...in Hematology-Oncology at St. Jude. Dome is senior author of the JCO report. Robert P. Sanders, M.D., a St. Jude postdoctoral fellow, is the paper's first author. Although study results are preliminary, they might lead to tests that could identify children at high risk for treatment failure or death. That c...Anthrax enzyme images reveal secrets of antibiotic resistance, suggest new drug design
...enzyme resistant to sulfa drugs." White is senior author of the Structure report.The St. Jude investigators created images of the loops and helical ribbons of protein making up this DHPS. In addition, they created images showing how certain small enzyme mutations allow it to alter its structure, blocking t...New fossil sheds light on old mystery
...e long-necked marine reptiles," said Chun Li, lead author and assistant research fellow at the Institute of Vertebrate Paleontology and Paleoanthropology of the Chinese Academy of Sciences in Beijing. "When Tanystropheus, the first long-necked protorosaur to be found, was discovered in Europe in the 1850s ......d fish," says McGill University biologist and lead author Anthony Ricciardi. "This is a concern because mussels are not an adequate nutrition source for the fish. Furthermore, mussels contain toxins, such as PCBs and botulism toxin (food poisoning), which may kill the fish or their predators." Similar "ju...Scientists find nanowires capable of detecting individual viruses
...sible agents of biowarfare and bioterrorism," says author Charles M. Lieber, Mark Hyman Jr. Professor of Chemistry in Harvard's Faculty of Arts and Sciences. "Our work shows that nanoscale silicon wires can be configured as ultra-sensitive detectors that turn on or off in the presence of a single virus. The......," said WCS Conservationist Robert Inman, the lead author of the study. "While these data come from only one individual, they suggest that wolverine populations may function over a huge geographic scale. Sustaining wolverines in the Greater Yellowstone Ecosystem will benefit from efforts to maintain habita...UAF scientists discover new marine habitat in Alaska
... the global distribution of rhodoliths, and is the author of numerous scientific papers on the subject. He says the discovery of rhodoliths in Alaska marks an important milestone in scientists' understanding of coralline algae. "If these beds are anything like those elsewhere in the world, they are like...ORNL's Delmau joins Technology Review's list of top young innovators
...pe, Japan and the United States. Delmau, the first author on two patents in France resulting from her work with the French Atomic Energy Commission, came to the United States first as a student in 1992 at ORNL, where she continued her work with nuclear waste treatment technologies during one fall and two su...Wastewater could treat itself, power city
...David Bagley, who conducted the research with lead author and PhD candidate Ioannis Shizas. "Any recovery of potential energy above that can be returned to the grid." Bagley and Shizas used bomb calorimetry, a technique that measures the heat content of materials, to determine the amount of energy stored...Scientists decipher genetic code of biothreat pathogen
...cterial pathogen," says William Nierman, the first author of the study, which is being published in the Proceedings of the National Academy of Sciences (PNAS). As part of the study, scientists used DNA microarrays to better understand the functions of B. mallei virulence genes. Nierman, an investigator ...Research suggests new avenue for stopping, preventing colon cancer
...of the embryo during development. The study's lead author was Dingzhi Wang, Ph.D., research associate professor of Medicine. Other members of the research team were Haibin Wang, Qiong Shi, Sharada Katkuri and Sanjoy K. Das, Ph.D., of Vanderbilt; and Walter Walhi, Ph.D., and Beatrice Desvergne, Ph.D., of th...Targeted therapy knocks out pediatric brain cancer in mice
...icantly in the last three decades," explains study author Dr. Tom Curran from St. Jude Children's Research Hospital in Memphis, Tennessee. "This is partly due to the absence of adequate model systems for testing novel therapies." Dr. Curran and colleagues used a mouse model of medulloblastoma that they had ...Genes expose secrets of sex on the side
...low in UA's Arizona Research Laboratories and lead author on the research articles. "There are men around who aren't able to have children, because they are being outcompeted by more successful males." Co-author Michael Hammer, a research scientist in UA's Arizona Research Laboratories, said, "We may thi...USC study links historical increases in life span to lower childhood exposure to infection
...nt hypothesis," said Caleb Finch, the study's lead author and holder of the ARCO-William F. Kieschnick Chair in the Neurobiology of Aging. "Our main point is that in historical times when there was a lot of childhood mortality, even kids that didn't die got chronic infections. Those chronic infections...New way to protect brain from stroke damage
...ts toxic to cells, said neurophysiologist and lead author of the study (Zhi-Gang Xiong of Robert S. Dow Neurobiology Laboratories in Portland, Oregon). What's more, the team reports, rats injected with agents known to block ASICs--including the venom of a tarantula spider--exhibited a reduction in brain dam...Joslin researchers clarify mechanisms for beta-cell formation
...ard Medical School, and the lead and corresponding author of the study. "Using two different animal models of insulin resistance, we have identified the key players that are involved in this crucial compensatory response. Dissecting the pathways that regulate the process of epithelial-to-mesenchymal transit...