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News | Archive (December 2011)
A smarter way to make ultraviolet light beams
— 2 Dec 2011 | TechnologyExisting coherent ultraviolet light sources are power hungry, bulky and expensive. University of Michigan researchers have found a better way to build compact ultraviolet sources with low power consumption that could improve information storage, microscopy and chemical analysis…
Lava fingerprinting reveals differences between Hawaii's twin volcanoes
— 2 Dec 2011 | Geology and palaeontologyHawaii's main volcano chains - the Loa and Kea trends - have distinct sources of magma and unique plumbing systems connecting them to the Earth's deep mantle, according to UBC research published this week in Nature Geoscience, in conjunction with researchers at the universities of Hawaii and Massachusetts…
British butterfly is evolving to respond to climate change
— 2 Dec 2011 | BiologyAs global temperatures rise and climatic zones move polewards, species will need to find different environments to prevent extinction. New research, published today in the journal Molecular Ecology, has revealed that climate change is causing certain species to move and adapt to a range of new habitats…
Biocompatible graphene transistor array reads cellular signals
— 2 Dec 2011 | TechnologyResearchers have demonstrated, for the first time, a graphene-based transistor array that is compatible with living biological cells and capable of recording the electrical signals they generate. This proof-of-concept platform opens the way for further investigation of a promising new material. Graphene's distinctive combination of characteristics makes it a leading contender for future biomedical applications requiring a direct interface between microelectronic devices and nerve cells or other living tissue. A team of scientists from the Technische Universitaet Muenchen and the Juelich Research Centre published the results in the journal Advanced Materials…
Researchers find some smartphone models more vulnerable to attack
— 2 Dec 2011 | TechnologyNew research from North Carolina State University shows that some smartphones specifically designed to support the Android mobile platform have incorporated additional features that can be used by hackers to bypass Android's security features, making them more vulnerable to attack. Android has the largest share of the smartphone market in the U.S.…
Archaeologists find new evidence of animals being introduced to prehistoric Caribbean
— 2 Dec 2011 | BiologyAn archaeological research team from North Carolina State University, the University of Washington and University of Florida has found one of the most diverse collections of prehistoric non-native animal remains in the Caribbean, on the tiny island of Carriacou. The find contributes to our understanding of culture in the region before the arrival of Columbus, and suggests Carriacou may have been more important than previously thought…
MIT: New algorithm may improve defensive driving
— 2 Dec 2011 | TechnologyIn 2008, according to the National Highway Traffic Safety Administration, 2.3 million automobile crashes occurred at intersections across the United States, resulting in some 7,000 deaths. More than 700 of those fatalities were due to drivers running red lights. But, according to the Insurance Institute for Highway Safety, half of the people killed in such accidents are not the drivers who ran the light, but other drivers, passengers and pedestrians…
Swiss scientists prove durability of quantum network
— 2 Dec 2011 | PhysicsScientists and engineers have proven the worth of quantum cryptography in telecommunication networks by demonstrating its long-term effectiveness in a real-time network…
Study of wolves will help scientists predict climate effects on endangered animals
— 2 Dec 2011 | EnvironmentScientists studying populations of grey wolves in the USA's Yellowstone National Park have developed a way to predict how changes in the environment will impact on the animals' number, body size and genetics, amongst other biological traits…
Strange new 'species' of ultra-red galaxy discovered
— 2 Dec 2011 | AstronomyIn the distant reaches of the universe, almost 13 billion light-years from Earth, a strange species of galaxy lay hidden. Cloaked in dust and dimmed by the intervening distance, even the Hubble Space Telescope couldn't spy it. It took the revealing power of NASA's Spitzer Space Telescope to uncover not one, but four remarkably red galaxies. And while astronomers can describe the members of this new 'species,' they can't explain what makes them so ruddy…
The superwind galaxy NGC 4666
Herschel finds water in a cosmic desert