Archive: 4/11/2011

Not 1, not 2, not 3, but 4 clones!

Xi-Jun Ren and Yang Xiang from Henan Universities in China, in collaboration with Heng Fan at the Institute of Physics of the Chinese Academy of Sciences, have produced a theory for a quantum cloning machine able to produce ...

dateNov 04, 2011 in General Physics
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Nitrogen fertilizers' impact on lawn soils

Nitrogen fertilizers from farm fields often end up in aquatic ecosystems, resulting in water quality problems, such as toxic algae and underwater 'dead zones'. There are concerns that fertilizers used on lawns may also contribute ...

dateNov 04, 2011 in Environment
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Japan computer smashes speed record

A Japanese supercomputer has broken its own record as the world's fastest machine by performing 10 quadrillion calculations per second, its developers announced.

dateNov 04, 2011 in Hardware
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Shaping up for cell division

The shape of chromosomes is determined by the relative levels of key protein complexes, research conducted by Keishi Shintomi and Tatsuya Hirano of the RIKEN Advanced Science Institute has shown.

dateNov 04, 2011 in Cell & Microbiology
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