Scientists create custom 3D structures with 'DNA origami'
May 20, 2009 |
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BOSTON--By combining the art of origami with nanotechnology, Dana-Farber Cancer Institute researchers have folded sheets of DNA into multilayered objects with dimensions thousands of times smaller than the thickness of a ...
Survey finds slower decline of honeybee colonies
May 20, 2009 |
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(AP) -- The decline of honeybee colonies has slowed slightly since last fall, but a mysterious combination of ailments is still decimating the insect's population, federal researchers say.
Research team finds important role for junk DNA
May 20, 2009 |
4.8 / 5 (5) |
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(PhysOrg.com) -- Scientists have called it "junk DNA." They have long been perplexed by these extensive strands of genetic material that dominate the genome but seem to lack specific functions. Why would nature ...
Going for broke
Other Sciences / Social Sciences
May 20, 2009 |
4 / 5 (6) |
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(PhysOrg.com) -- Natasha Schull recalls how in the late 1990s she began observing people in Las Vegas transfixed for hours at video poker and slot machines. What, she wondered, kept them glued to machines ...
Scientists replace chrome coatings with safer metal alloys
May 20, 2009 |
4.4 / 5 (5) |
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(PhysOrg.com) -- Ever since the 1940s, chrome has been used to add a protective coating and shiny luster to a wide range of metal products, from bathroom fixtures to car bumpers.
Why do people with Down syndrome have less cancer?
May 20, 2009 |
3.8 / 5 (5) |
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Most cancers are rare in people with Down syndrome, whose overall cancer mortality is below 10 percent of that in the general population. Since they have an extra copy of chromosome 21, it's been proposed that people with ...
Scientists discover eco-friendly wood dissolution
May 20, 2009 |
3.8 / 5 (4) |
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Scientists at Queen's University Belfast have discovered a new eco-friendly way of dissolving wood using ionic liquids that may help its transformation into popular products such as bio fuels, textiles, clothes and paper.
Bacteria with a built-in thermometer
May 20, 2009 |
5 / 5 (3) |
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Researchers in the "Molecular Infection Biology group" at the Helmholtz Centre for Infection Research (HZI) in Braunschweig and the Braunschweig Technical University could now demonstrate for the first time that bacteria ...
Skip this cocktail party: Contaminants in marine mammals' brains
May 20, 2009 |
5 / 5 (3) |
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The most extensive study of pollutants in marine mammals' brains reveals that these animals are exposed to a hazardous cocktail of pesticides such as DDTs and PCBs, as well as emerging contaminants such as brominated flame ...
Beneficial plant 'spillover' effect seen from landscape corridors
May 20, 2009 |
5 / 5 (3) |
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(PhysOrg.com) -- Research by a North Carolina State University biologist and colleagues shows that using landscape corridors, the "superhighways" that connect isolated patches of habitat, to protect certain plants has a large ...
Unusually large family of green fluorescent proteins discovered in marine creature
May 20, 2009 |
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Researchers at Scripps Institution of Oceanography at UC San Diego and the Salk Institute for Biological Studies have discovered a family of green fluorescent proteins (GFPs) in a primitive sea animal, along ...
An advance in solving the mysterious machine-workers' disease
May 20, 2009 |
5 / 5 (3) |
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Scientists in Ohio are reporting a long-awaited advance toward making the workplace safer for more than one million machinists in the United States who may be exposed to disease-causing bacteria in contaminated ...
Stronger material for filling dental cavities has ingredients from human body
May 20, 2009 |
5 / 5 (3) |
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Scientists in Canada and China are reporting development of a new dental filling material that substitutes natural ingredients from the human body for controversial ingredients in existing “composite,” or ...
Feeding behavior in monkeys and humans have ancient, shared roots
May 20, 2009 |
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Behavioural ecologists working in Bolivia have found that wild spider monkeys control their diets in a similar way to humans, contrary to what has been thought up to now. Rather than trying to maximize their ...
Ford's last-minute cold feet put emissions deal at risk
May 20, 2009 |
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It had taken weeks of hardball negotiations, but by Sunday afternoon White House officials thought everything was falling into place. In less than 48 hours they would unveil a landmark deal with U.S. automakers to impose ...
