Researchers find three major beetle groups coming up one testis short
...kely that it was completely random." Based on the geographic distributions of the beetle groups involved, Liebherr estimates that the origins of monorchy in the beetles occurred 90 to 100 million years ago during the Cretaceous period. "That era witnessed a dramatic increase in the diversity of organisms," he ...Stealth worms may improve insect pest control
...lation to each other and how they are related in a geographic region to affect similar hosts. "We always look at the insect and nematode interactions in the laboratory first, then go out and look at the crops and environment," Stock says. Some of her work involves comparing commercially available formulations o...Geography predicts human genetic diversity
By analyzing the relationship between the geographic location of current human populations in relation ...s Balloux of the University of Cambridge show that geographic distance from East Africa along ancient colonization routes is an excellent predictor for the geneti...Regional AAAS meeting to be held at The University of Arizona April 13 through 16
...meetings for its affiliated societies in the SWARM geographic region as well as its 14,000 members. These meetings offer contributed paper sessions and symposia, field trips, public lectures, social events and student presentations. Registration fees are kept low to encourage the public to attend. Fees for the ...Slime-mold beetles named for Bush, Cheney, Rumsfeld
...cently described beetles were derived from various geographic locations, such as California, Georgia and a few states in Mexico, and for various distinguishing features they discovered on the beetles. The decision to name three slime-mold beetles after Bush, Cheney and Rumsfeld, however, didn't have anything t...Diversity, endemism, and age distributions in macroevolutionary sources and sinks
...on and dispersal when testing hypotheses about the geographic distributions of organisms....Glaciers from Antarctic peninsula in widespread retreat, Science study says
...irculation models need to reproduce the timing and geographic extent of the regional warming that has taken place on the Antarctic Peninsula, a concept that David Vaughan from the British Antarctic Survey in Cambridge, UK and colleagues covered in a "Perspective" article in the 07 September, 2001 issue of Scie...DuPont announces research agreement with India's National Chemical Laboratory
...ddress the market needs of the region by providing geographic access." Founded in 1950, NCL is part of the Council of Scientific & Industrial Research (CSIR), India's science and technology coordinating institution that is presided over by the country's prime minister. The relationship between DuPont and NCL d...The Ape in the Tree: An intellectual and natural history of proconsul
...d the U.S. Together they investigated Proconsul's geographic and temporal distribution, studied its anatomy, biology, growth, diet, and way of moving around the world, and compared this information to what is known of other similar species from the Miocene of Africa. As Walker sums it up, "I know how they grew...Discovery of an American salamander where it shouldn't be: Korea
...e an evolutionary connection, suggesting some past geographic link between Asia and North America when the world's climate was much warmer, before about 60 million years ago. The closest relative of the Japanese and Chinese giant salamanders is the hellbender of the eastern U.S., for example, while Chinese alli...Season of birth influences age of menopause, say Italian researchers
...lso, the effect of seasons may differ in different geographic areas. "Nevertheless, the data seem to suggest notable effects of the month/season of birth on the length of a woman's fertile life, further supporting a role for environmental factors in regulating adult reproductive life and the timing of its termi...Joslin hosts conference on diabetes in American Indian/Alaska Natives, May 16-19 in Denver
... Natives. This CDC and IHS collaboration documents geographic disparities in the burden of heart disease and str...heart disease and stroke and the first to focus on geographic patterns of heart disease and stroke mortality and risk factors for a specific racial/ethnic group i...International team determines geographic origin of leprosy
...ed a fairly close correlation between SNP type and geographic location of the leprosy patient. Type 2, predominant in a small region of East Africa and Central Asia, is the rarest and oldest, the scientists believe. Type 1, present in Asia and the Pacific region, represents the eastward migration of leprosy, wh...Photos reveal new primate species
...hocebus from two to three species, it extends the geographic range of the genus 500 miles (800 km) to the south, thereby contributing much to our understanding of primate diversity, evolution, and biogeography." As a result of their research in the Udzungwas over much of the last decade, Ehardt and Butynski ...Reservoirs may accelerate the spread of invasive aquatic species, researchers say
...reshwater lakes and reservoirs that are in similar geographic regions, to determine whether the rate in reservoirs is indeed higher, as predicted. ...UCI awarded $40 million to establish regional biodefense and infectious disease research center
...rsities and other research institutions within its geographic region. These other centers are based in the states of Washington, Texas, New York, Massachusetts, Illinois, Missouri, Maryland and North Carolina. For more information about the Regional Centers of Excellence for Biodefense and Emerging Infectious D...Pathogens shape evolution of humans' most diverse genes
...pathogens known to be present in each population's geographic region. Because other factors, such as a population's migratory history, could influence genetic diversity in a general way, the authors also compared HLA diversity with the general genetic diversity expected for the population's location (this resea...Study in Royal Society journal on heritability of female orgasm
...s, indicating at least five populations along this geographic range. We suggest that social facilitation of habitat-specific foraging strategies restricts gene flow and leads to the genetic differentiation of populations in local habitat patches. Contacts: Dr AR Hoelzel, Biological Sciences, Durham University,...Tagging pathogens with synthetic DNA 'barcodes'
...icroscope, which is useful in situations where the geographic distribution of the target molecules is important, Luo said. For convenience, a computer can convert the subtle differences in light intensity between, say 4G1R and 3G1R, into "pseudo colors," perhaps making one appear as orange and the other as pink...First test of predictions of climate change impacts on biodiversity
...els used to forecast how species will change their geographic ranges in response to the Earth's changing climate...re back in the 70's and were trying to predict the geographic ranges of British birds in 1991 using 16 commonly used climate-envelope models and the real data on ...