24/04/2012

Wild birds respond differently to the first long days of a year

The lengthening of days in late winter is an important signal that stimulates the reproductive activity of many animals. Animals living in the milder climatic conditions of southern Europe usually begin breeding earlier in ...

Mysterious 'monster' discovered by amateur paleontologist

(Phys.org) -- Around 450 million years ago, shallow seas covered the Cincinnati region and harbored one very large and now very mysterious organism. Despite its size, no one has ever found a fossil of this "monster" until ...

Prions in the brain eliminated by homing molecules

Toxic prions in the brain can be detected with self-illuminating polymers. The originators, at Linköping University in Sweden, has now shown that the same molecules can also render the prions harmless, and potentially ...

One week of ash from Mexico's volcano

(Phys.org) -- Satellites continue to provide a look at the ash and gas clouds being emitted from Mexico's Popocatepetl Volcano. NASA has animated imagery from NOAA's GOES-13 satellite to provide a week long look at the volcano's ...

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