28/06/2012

Dramatic changes spotted in HD 189733b exoplanet atmosphere

(Phys.org) -- Astronomers using the NASA/ESA Hubble Space Telescope have seen dramatic changes in the upper atmosphere of a faraway planet. Just after a violent flare on its parent star bathed it in intense X-ray radiation, ...

Searching for the origin of muscles

Ulrich Technau from the University of Vienna has addressed the origin of musculature. His analysis reveals for the first time that some central components of muscles of higher animals are much older than previously assumed. ...

Sensitive test helps improve vaccine safety

Salmonella Typhi (S. Typhi) is the causative agent of typhoid fever, a serious health threat resulting in some 22 million new cases yearly and approximately 217,000 fatalities. A number of novel vaccine candidates using live ...

A "DisasterCam" for the ISS

Of all the hundreds of spacecraft and satellites in Earth orbit, few can match the International Space Station for its view of the big blue marble below. Scientists would like to put that spectacular view to good use – ...

Pollutants could pose health risks for five sea turtle species

(Phys.org) -- Researchers at the Hollings Marine Laboratory (HML) and four partner organizations have measured for the first time concentrations of 13 perfluoroalkyl compounds (PFCs) in five different endangered species of ...

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