Particles and interactions Research update Will first LHC protons be injected within a fortnight? Proton beams will be running round the whole ring by first half of September, says CERN spokesperson
Telescopes and space missions Research update Motion of exploding stars could shed light on dark energy Cosmologists call for decades-long survey of type-Ia supernovae Read article: Motion of exploding stars could shed light on dark energy
Telescopes and space missions Research update Survey of distant galaxies sets limit on cosmic strings Gravitational lensing measurement suggets that cosmic strings make up no more than 2% of mass of universe Read article: Survey of distant galaxies sets limit on cosmic strings
Telescopes and space missions Opinion and reviews Blog life: Chris Lintott’s Universe Chris Lintott on life co-presenting TV's The Sky at Night Read article: Blog life: Chris Lintott’s Universe
Telescopes and space missions Research update Fastest supercomputer overtaken by Roadrunner US machine will be used initially to model cosmology, astrophysics and the climate
Gravity Research update New tests of the Copernican Principle proposed Results could have implications for cosmic acceleration and dark energy
Telescopes and space missions Research update Gravity Probe B comes last in NASA review Panel recommendation is to cut funding of mission by September
Ultrafast science Research update BEC bubble could measure tiny forces Ultracold atoms could make highly sensitive ‘spirit level’ Read article: BEC bubble could measure tiny forces
Stars and solar physics Research update Information ‘not lost’ in black holes The end may be in sight for the black hole "information paradox" Read article: Information ‘not lost’ in black holes
Quantum optics Research update Neil Turok chosen to lead Perimeter Institute Cambridge cosmologist says his switch to the Canadian centre is the "opportunity of a lifetime" Read article: Neil Turok chosen to lead Perimeter Institute
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