04/11/2011

Russia launches navigation satellites

Russia on Friday successfully launched three satellites for its global navigation system Glonass on a Proton-M rocket from its Baikonur cosmodrome in Kazakhstan, the Russian space agency said.

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 ...

China opens up military space programme

China is opening up its military-run manned space programme to foreign nations, seeking its own alliances as US concerns see it excluded from the international space station project, analysts say.

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 ...

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.

Moscow 'Mars mission' ends after 520 days

Six volunteers on Friday stepped out into the outside world after spending the last one-and-a-half-years locked away in an isolation module in Moscow to simulate the effects of a return trip to Mars.

Shedding light on a photosensitive protein

Even without eyes, many single-celled organisms can perceive and react to light. This is achieved via rhodopsins, proteins at the cell surface that trigger responses to specific wavelengths of light by directing the flow ...

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.

Canon offers new camera for Hollywood filmmakers

(AP) -- Four decades after winning Academy Awards for its cinema lenses, Canon Inc. was back in Hollywood on Thursday, unveiling a new high-end digital video camera before an audience of some of the world's most famous filmmakers.

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