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Voyager makes an interstellar discovery

Voyager makes an interstellar discovery

Space & Earth / Space Exploration

created Dec 26, 2009 | popularity 4.7 / 5 (57) | comments 20

The solar system is passing through an interstellar cloud that physics says should not exist. In the Dec. 24th issue of Nature, a team of scientists reveal how NASA's Voyager spacecraft have solved the mystery.


As shuttle's career nears an end, NASA turns focus to satellites

Space & Earth / Space Exploration

created Dec 26, 2009 | popularity 4.4 / 5 (8) | comments 2

NASA heads into 2010 with the bittersweet assignment of retiring the space shuttle after nearly three decades. But that's not all the agency has planned: There are also launches of three new satellites aimed at better understanding ...


New materials designed to deal with hypersonic and supersonic hot stuff (w/ Video)

New materials designed to deal with hypersonic and supersonic hot stuff (w/ Video)

Physics / Condensed Matter

created Dec 24, 2009 | popularity 4.4 / 5 (19) | comments 6

University of Queensland researchers are testing new materials to withstand the extreme heat experienced by hypersonic vehicles in flight so they can fly for substantially longer.


New Study Turns Up the Heat on Soot's Role in Himalayan Warming (w/ Video)

New Study Turns Up the Heat on Soot's Role in Himalayan Warming (w/ Video)

Space & Earth / Earth Sciences

created Dec 14, 2009 | popularity 5 / 5 (2) | comments 0

(PhysOrg.com) -- Soot from fire in an unventilated fireplace wafts into a home and settles on the surfaces of floors and furniture. But with a quick fix to the chimney flue and some dusting, it bears no impact ...


Health care loophole would allow coverage limits (AP)

Health care loophole would allow coverage limits

Medicine & Health / Health

created Dec 11, 2009 | popularity not rated yet | comments 0

(AP) -- A loophole in the Senate health care bill would let insurers place annual dollar limits on medical care for people struggling with costly illnesses such as cancer, prompting a rebuke from patient ...


Munich lab demonstrates diesel truck engine with barely measurable emissions

German researchers demonstrate diesel truck engine with barely measurable emissions

Technology / Engineering

created Dec 07, 2009 | popularity 3.8 / 5 (6) | comments 1

Just three months after the Euro 5 Norm for exhaust emissions went into force for all new car models, researchers at the Technische Universitaet Muenchen (TUM, Germany) have demonstrated an engine that is ...


Elevated CO2 levels may mitigate losses of biodiversity from nitrogen pollution

Space & Earth / Environment

created Dec 03, 2009 | popularity 3.7 / 5 (7) | comments 2

Rising levels of carbon dioxide may overheat the planet and cause other environmental problems, but fears that rising CO2 levels could directly reduce plant biodiversity can be allayed, according to a new study by a University ...


A greener way to get electricity from natural gas

A greener way to get electricity from natural gas

Technology / Energy

created Dec 03, 2009 | popularity 3.7 / 5 (16) | comments 9

(PhysOrg.com) -- A new type of natural-gas electric power plant proposed by MIT researchers could provide electricity with zero carbon dioxide emissions to the atmosphere, at costs comparable to or less than ...


First metallic nanoparticles resistant to extreme heat

Nanotechnology / Nanomaterials

created Nov 30, 2009 | popularity 4.8 / 5 (5) | comments 0

A University of Pittsburgh team overcame a major hurdle plaguing the development of nanomaterials such as those that could lead to more efficient catalysts used to produce hydrogen and render car exhaust less toxic. The researchers ...


Exposure to both traffic, indoor pollutants puts some kids at higher risk for asthma later

Medicine & Health / Health

created Nov 24, 2009 | popularity not rated yet | comments 0

New research presents strong evidence that the "synergistic" effect of early-life exposure to both outdoor traffic-related pollution and indoor endotoxin causes more harm to developing lungs than one or the other exposure ...


Road rage: Fuel vapor heightens aggression

Medicine & Health / Research

created Nov 24, 2009 | popularity 4.5 / 5 (4) | comments 1

Outrageous prices may not be the only thing causing anger at the petrol pumps. A new study, published in the open access journal BMC Physiology, has shown that rats exposed to fumes from leaded and unleaded gasoline become ...


Exposures to metals and diesel emissions in air linked to respiratory symptoms in children

Medicine & Health / Health

created Nov 23, 2009 | popularity not rated yet | comments 0

Exposure shortly after birth to ambient metals from residential heating oil combustion and particles from diesel emissions are associated with respiratory symptoms in young inner city children, according to a new study by ...


Braking news: Particles from car brakes harm lung cells

Medicine & Health / Research

created Nov 20, 2009 | popularity 5 / 5 (2) | comments 0

Real-life particles released by car brake pads can harm lung cells in vitro. Researchers writing in BioMed Central's open access journal Particle and Fibre Toxicology found that heavy braking, as in an emergency stop, caused ...


Hidden threat: Elevated pollution levels near regional airports

Hidden threat: Elevated pollution levels near regional airports

Space & Earth / Environment

created Nov 18, 2009 | popularity not rated yet | comments 0

Scientists are reporting evidence that air pollution — a well-recognized problem at major airports — may pose an important but largely overlooked health concern for people living near smaller regional airports. ...


Eco-Friendly SUV Gets a Hydrogen Mileage Boost

Eco-Friendly SUV Gets a Hydrogen Mileage Boost (w/ Video)

Technology / Energy

created Nov 17, 2009 | popularity 4.8 / 5 (4) | comments 2

(PhysOrg.com) -- Driving hydrogen fueled SUVs for 431 miles per fill-up is no longer a California dream. Researchers from NREL and Toyota recently completed a 331 mile round trip drive between Torrance and ...