Boat paint to blame for Norfolk Broads' desolation
...ghly persistent in the environment, earning it the controversial title as the most toxic substance ever introduced deliberately by man into the aquatic environment," explains Dr Sayer. "In freshwaters, once TBT is released from an antifouling coating it is rapidly absorbed by bacteria and algae, and eventually w...Genetic surprise confirms neglected 70-year-old evolutionary hypothesis
... six-year project, the prospects of bolstering the controversial evolutionary idea looked increasingly bleak. Masly brought together two species of fruit fly--the workhorses of the genetics world--to see what genes were active when they were crossbred. One species, Drosophila melanogaster, had its genome already s...Bird flu study highlights need to vaccinate flocks effectively
...t highly pathogenic avian flu like H5N1 is proving controversial because it is thought that it can lead to unseen transmission between poultry farms, a phenomenon known as 'silent spread'. This unseen transmission occurs because as protection levels rise in a flock, it becomes ever harder to detect the spread of a...Tiny inhaled particles take easy route from nose to brain
...same size as manufactured nanoparticles, which are controversial and being diligently investigated because they are the key ingredient in a growing industry -- despite concerns about their safety. Nanotechnology is a new wave of science that deals with particles engineered from many materials such as carbon, zin...The Midas Bug -- the bacterial alchemy of gold
...ution. "The origin of secondary gold grains is a controversial topic that is widely debated within the scientific community," Dr Reith said. "There are those who believe the grains are purely detrital, while others believe they form by chemical accretion. "A third theory suggest that microbial processes are...UCLA scientists strengthen case for life more than 3.8 billion years ago
...ational team of scientists reported evidence, in a controversial cover story in the journal Nature, that life on Earth began more than 3.8 billion years ago--400 million years earlier than previously thought. A UCLA professor who was not part of that team and two of the original authors will report in late July th...Germans set up an apartheid-like society in Britain
...ed in the Anglo-Saxon takeover of Britain has been controversial for decades. Archaeological and historical evidence is inconclusive but points to a relatively small number of Anglo-Saxon migrants who are unlikely to have had the major impact on today's English gene pool that recent studies of the Y-chromosome rev...Tiny airborne particles are a major cause of climate change
... disastrous repercussions in the long run. Also controversial is the question of how such tiny localized particles affect weather systems thousands of kilometers away from their sources. There is no doubt that aerosols do play a role, but the skeptics believe it is negligible compared to meteorological key play...A surprise about our body clock
...ger. But when Forger ran a simulation based on the controversial idea that the tau mutation increased activity of the CK1 gene, the day did get shorter, just as it does in real hamsters with the tau mutation. "So he concluded that the tau mutation must increase, not decrease, the activity of the CK1 gene," cont...ENDO 2006 offers breaking research on the metabolic syndrome, obesity, hormones in women and more
...ysteries and debate some of medicine's most highly controversial topics. In addition to releasing breaking science on topics such as the controversial Metabolic Syndrome, male osteoporosis, endocannabinoids (the agent in marijuana that causes the "mun...Slow-frozen people? Latest research supports possibility of cryopreservation
...preservation may be most familiar, however, as the controversial idea that humans, stricken with incurable diseases, might be frozen and then revived years or decades later when cures are available. Bogdan's experiments involved a form of water termed "glassy water," or low-density amorphous ice (LDA), which is p...Global patterns of geographic range sizes: A bird's eye view
...sality of the principle. The question has remained controversial largely because it has been explored mostly at limited scales, with studies analyzing either small taxonomic groups or restricted regions within individual biogeographic realms (regions that roughly follow the divisions of the major continents). In a...Joslin study refutes recent report that bone marrow can replenish female oocytes
...er and Harvard University. These findings refute a controversial recent study conducted at Massachusetts General Hospital (MGH), which itself contradicted the long-held belief that female mammals are born with a finite number of oocytes that cannot be replenished or regenerated if lost to injury or disease by sugg...LSUHSC research finds evidence of RNA in structures essential to cell division
...may carry their own genetic machinery, answering a controversial question of long standing. Dr. Alliegro found five RNA sequences that appear to be unique to the centrosome. The discovery, providing new insight into centrosome function, heredity, and evolution is published in today's issue of Proceedings of the N...Electric fish in Africa could be example of evolution in action
...ecies. This so-called sympatric speciation is more controversial because there have been few accepted examples of it to date. "Many scientists claim it's not feasible," Arnegard said. "But it could be a detection problem because speciation occurs over so many generations." These Gabon fishes' impulses, however, c...Scientists scuttle claims that 'Hobbit' fossil from Flores, Indonesia, is a new hominid
...n dubbed the "Hobbit." Increasingly, however, this controversial conclusion is being questioned. In a Technical Comment to be published in the May 19, 2006, issue of Science magazine, scientists led by Robert D. Martin, PhD, Field Museum Provost and world-class primatologist, say that the bones in question do not ...NIH panel urges more informed approach to multivitamin/mineral use for chronic disease prevention
...t, was established in 1977 as a mechanism to judge controversial topics in medicine and public health in an unbiased, impartial manner. NIH has conducted 118 consensus development conferences, and 27 state-of-the-science (formerly "technology assessment") conferences, addressing a wide range of issues. A backgroun...Cholesterol gets 'thumbs up' for role in digit development
...p some of the conflicting data about cholesterol's controversial role in limb development, said senior author on the study, Chin Chiang, Ph.D., associate professor of Cell and Developmental Biology. The developmental protein at work here, named Sonic hedgehog after the video game character, was discovered in the ...Controversial findings help explain evolution of life
...emists at Oregon State University have pioneered a controversial theory about how supposedly-stable DNA bases can be pushed into a "dark state" in which they are highly vulnerable to damage from ultraviolet radiation an idea that has challenged some of the most basic concepts of modern biochemistry. The theory, n...New mechanism found for neurodegenerative effects of amphetamines in mice
...use neurodegeneration in humans is one of the most controversial areas in science today," says Professor Peter Wells of the Leslie Dan Faculty of Pharmacy, lead author of the study that appears in the April issue of the journal of the Federation of American Societies for Experimental Biology (FASEB Journal). "The ...