Preventing hydropower turbine failure

The Francis turbine is the most common type of water turbine used in Norwegian hydropower plants, and has been for many years. About half of the world's Francis turbines are found in Norwegian plants.

date16 hours ago in Energy & Green Tech
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A solar eclipse sheds light on physics

On 29 May 1919, a shadow dance took place over the Caribbean which was to make history: While the new moon covered the blazingly bright disk of the Sun, astronomers around Arthur Stanley Eddington measured ...

date16 hours ago in Astronomy
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DNA mutations get harder to hide

Rice University researchers have developed a method to detect rare DNA mutations with an approach hundreds of times more powerful than current methods.

date16 hours ago in Biochemistry
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From worker to queen at the drop of a gene

Biologists from the University of Leicester have discovered that one of nature's most important pollinators - the buff-tailed bumblebee – either ascends to the status of queen or remains a lowly worker ...

date16 hours ago in Plants & Animals
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