Sabtu, 15 Januari 2011

ScienceDaily Top Science Headlines

for Saturday, January 15, 2011

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Living cells used to create 'biotic' video games (January 14, 2011) -- The digital revolution has triggered a wild proliferation of video games, but what of the revolution in biotechnology? Does it have the potential to spawn its own brood of games? A physicist has begun developing "biotic games" involving paramecia and other living organisms. He hopes the games will lead to advances in education and crowd-sourcing of laboratory research while helping to raise the level of public discourse on bio-related issues. ... > full story

Early development of anti-HIV neutralizing antibodies (January 14, 2011) -- New findings are bringing scientists closer to an effective HIV vaccine. Researchers report findings showing new evidence about broadly-reactive neutralizing antibodies, which block HIV infection. ... > full story

Putting the dead to work: Conservation paleobiologists dig deep to solve today's ecological, evolutionary questions (January 14, 2011) -- Conservation paleobiologists -- scientists who use the fossil record to understand the evolutionary and ecological responses of present-day species to changes in their environment -- are putting the dead to work. A new review of the research in this emerging field provides examples of how the fossil record can help assess environmental impacts, predict which species will be most vulnerable to environmental changes, and provide guidelines for restoration. ... > full story

Population-wide reduction in salt consumption recommended (January 14, 2011) -- The American Heart Association today issued a call to action for the public, health professionals, the food industry and the government to intensify efforts to reduce the amount of sodium (salt) Americans consume daily. ... > full story

Best way to measure dark energy just got better (January 14, 2011) -- Dark energy is a mysterious force that pervades all space, acting as a "push" to accelerate the universe's expansion. Despite being 70 percent of the universe, dark energy was only discovered in 1998 by two teams observing Type Ia supernovae. A Type 1a supernova is a cataclysmic explosion of a white dwarf star. The best way of measuring dark energy just got better, thanks to a new study of Type Ia supernovae. ... > full story

Taking more steps every day can help ward off diabetes (January 14, 2011) -- Simply taking more steps every day not only helps ward off obesity but also reduces the risk of diabetes, finds a new study. ... > full story

New technique could pinpoint 'Galaxy X': Satellite galaxies located based on the ripples they create in the hydrogen gas (January 14, 2011) -- Many galaxies have smaller satellites, but astronomers can't see them all because many are composed of dark matter. Astronomers have developed a way to find dark satellite galaxies by analyzing the ripples in the hydrogen gas distribution in spiral galaxies. The technique allowed Sukanya Chakrabarti to predict the existence of a satellite of the Milky Way, which is obscured from view because it sits on the opposite side of the galaxy from Earth. ... > full story

Airborne pathogens can induce mad cow disease, new findings suggest (January 14, 2011) -- Airborne prions are also infectious and can induce mad cow disease or Creutzfeldt-Jakob disorder, new findings suggest. Researchers recommend precautionary measures for scientific labs, slaughterhouses and animal feed plants. ... > full story

Fastest movie in the world recorded: Method to film nanostructures developed (January 14, 2011) -- Processes at a molecular level are minuscule and often extremely fast, and therefore difficult to capture in action. Scientists have taken a good step towards producing a "molecular movie". They can record two pictures at such a short time interval that it will soon be possible to observe molecules and nanostructures in real time. ... > full story

Individuals with partial hearing loss may benefit from hybrid cochlear implant (January 14, 2011) -- Hearing loss can affect anyone, at any time. But it can be especially frightening for someone who suddenly starts to lose hearing during adulthood. A new study is investigating the effectiveness of a new cochlear implant device that aims to restore hearing for individuals with high-frequency hearing loss and functional low-frequency hearing. ... > full story

Trapped sunlight cleans water (January 14, 2011) -- High energy costs are one drawback of making clean water from waste effluents. Now a new system that combines two different technologies proposes to break down contaminants using the cheapest possible energy source, sunlight. ... > full story

Driving simulators help older adults improve their road skills (January 14, 2011) -- Older drivers could benefit from training programs that put them behind the wheel -- in a driving simulator, with an observer who helps them develop their skills, according to a new article. ... > full story

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