Human rights in Peru: AAAS analysis doubles previous estimates of killings
...ical projections from reports of 24,000 victims to estimate how many deaths had not been reported. Based on the reports of witnesses, the authors suggest that the Shining Path, a Maoist rebel group, committed 46 percent of the killings, and that 30 percent could be attributed to government security forces. Th...New angle needed to get pike out of Lake Davis
...avis' fish habitat and pike population dynamics to estimate theimpact of the removal program on estimated pike population for thenext 10 to 100 years. "The Lake Davis pike population is well-established and likely in thephase of explosive growth," said Foin, a systems ecologist andmodeler in the Department of...Newly found gene resistant to economically crippling wheat disease
...the eastern Midwest soft wheat region, and experts estimate annual losses at $275 million. Results of the Purdue study on resistance to the fungus that causes Septoria tritici leaf blotch are published in the September issue of Phytopathology and appear on the journal's Web site at http://www.apsnet.org/phyt...Researchers find a pattern in evolution of lizard groups
...c information (DNA sequences) from each species to estimate the patterns of branching and morphological change in each group. "We can use the shape of these phylogenies, or evolutionary trees, to make conclusions about evolution," said Harmon. "For example, we can compare the lengths of branches on these fam...Genomes of tiny microbes yield clues to global climate change
...f contributor to global climate change. Scientists estimate that Prochlorococcus and Synechococcus remove about 10 billion tons of carbon from the air each year as much as two-thirds of the total carbon fixation that occurs in the oceans. Patrick Chain, a biologist at Lawrence Livermore National Laboratory (...Envisat focuses on carbon-rich peat swamp forest fires
...s". That's less than 1997-8, but even the low-end estimate is much more than the UK's entire annual carbon emissions, underscoring the need for further study of this neglected phenomenon. Latest reports indicate there are once more fires kindling across the island. "Our research has shown that tropical peat...How a little bit of cold can kill a big manatee, and what it might mean for the species
...tion from about 1,500 in 1991 to the current rough estimate of 3,000. However, the inevitable shutdown of power plants should be taken into account in the debate over the manatee's endangered status, according to the study authors, because the closings could dramatically increase mortality in a population th...Waiter, there's a shark in my soup
...ction under CITES has now been removed. Scientists estimate that great whites have declined by as much as 79 percent in the northwestern Atlantic. Ironically, they are among the world's most legally protected shark species, with the U.S., Australia, South Africa, Malta and Namibia all having enacted bans on ...Protein can predict progression of most common childhood brain tumor
...is the percentage of positive cells compared to an estimate of the total number of cells. Dr. Linda Margraf, associate professor of pathology and the study's senior author, said that patients with more than 2 percent of positive cells had an increased risk of cancer recurrence or growth. Dr. Margraf said the...The 'fixed' hotspot that created Hawaii was not stationary after all, study finds
...gon atoms in the samples, researchers were able to estimate that the submerged volcanoes formed some 47 million to 81 million years ago. Tarduno and his team were able to determine where the volcanoes formed by analyzing a mineral called magnetite in the rock samples. As hot magma from an erupting volcano coo...Whale populations are too low to resume commercial hunting, geneticists find
...whale to another and calibrate that, then you can estimate the historic size of the population." In their stu...on more than 10 times the IWC's global historical estimate of 100,000. Exactly when the population reached that size will have to be determined in future genet...Von Liebig Center awards funding to six projects to commercialize UCSD faculty research
...phones), data processing algorithms can be used to estimate and characterize the dynamic sound propagation to optimize the development of noise cancellation algorithms. The primary goal of this project is to show proof of concept for ANC in various commercial systems and to address the complexities in ANC by ...Dodging elephants, scorpions, mudslidesUF researcher tracks tigers
...anishi, provides the first scientifically rigorous estimate of a tiger population in Malaysia and one of the f...outheast Asia, Kawanishi used population models to estimate that the park supported a population of between 52 and 84 adult tigers. Equally significant, she fou...Ancestry mix may be one key to obesity
...The Penn State scientist has developed a method to estimate the ancestral proportions of individuals, the percentage of genes that are West African, Native American or European. Researchers can then use this information to investigate the relationships between admixture and various diseases. In the study, t...Electric vehicles promise economic benefits in the billions
...or and reduced trade deficit," Winebrake says. "We estimate a GDP impact of about $40 billion annually due to this transfer." Winebrake adds: "The aggressive electric-drive vehicle scenario is not a prediction, but allows us to identify the benefits of a future transportation sector that includes electricity....Lead poisoning still threatens albatross chicks on Midway Atoll
...," Finkelstein says. However, "The last population estimate of breeding Laysan albatrosses from the Fish and Wildlife Service showed approximately a 30 percent decline in the northwest Hawaiian Islands between the years of 1992-2001." Many U.S. military bases around the world are being decommissioned and turn...World first for Swedish researchers mice born from transplanted wombs
...ves, and could be an alternative to surrogacy. "We estimate that at there are at least a thousand women in this category in Sweden alone. This includes women with congenital malformations, those born without a uterus and those whose uterus is defective because of large leiomyomas [2] or Asherman's Syndrome [...Harry Potter and the Ecuadorian flowers
...reland," said Struwe. "In Ecuador alone, a recent estimate is that 83 percent of all plant species are threatened with extinction, a much higher percentage than we previously thought." The newly discovered plant belongs to the gentian family, whose members are known for their deep blue flowers. They are fou...New findings suggest colorectal cancer origins are different than previously thought
...ed in vitro and are cytostatic, i.e., providing an estimate of only the fraction of proliferating cells in a particular phase of the cell cycle at a given moment. This information can be misleading, since it uses no measure of time (length of the cell cycle). The duration of the cell cycle may, on the one han...160,000-year-old fossilized skulls from Ethiopia are oldest modern humans
...covered more than 640 stone artifacts, though they estimate that the entire Herto area contains millions of such artifacts: hand axes, flake tools, cores, flakes and rare blades. Renowned African prehistorian J. Desmond Clark of UC Berkeley analyzed many of them before his death in February of last year. Clar...