Particles and interactions Research update LHC’s biggest collisions on hold until after 2010 CERN announces accelerator’s restart schedule
Telescopes and space missions Research update PAMELA paper dampens dark-matter claim Antiparticle mystery continues
Policy and funding Opinion and reviews The nuclear threat: a new start As US President Barack Obama takes office, his leadership will be needed to reduce the dangers of the world’s nuclear weapons and to stop nuclear materials from falling into rogue hands, argue... Read article: The nuclear threat: a new start
Particles and interactions Research update Japanese mega-lab nears completion Protons accelerated to 30 GeV at J-PARC Read article: Japanese mega-lab nears completion
Ultracold matter Research update Chilly solution to neutrino mass problem Ultracold atoms could be used to measure the mass of the neutrino
Telescopes and space missions Research update Muons reveal upper atmosphere’s temperature Freak warming detected from deep underground Read article: Muons reveal upper atmosphere’s temperature
Particles and interactions Research update Unification could be ripe for the picking 'Falling apples' may reveal new physics
Particles and interactions Opinion and reviews Atomic arias Oppenheimer takes centre stage, reports Robert P Crease Read article: Atomic arias
Vacuum and cryogenics Opinion and reviews Reasons to be cheerful The economy may be in a nosedive but there is plenty to look forward to in science this year Read article: Reasons to be cheerful
Transport properties Research update Lamb shift spotted in solid qubit Discovery could help physicists design more robust quantum computers Read article: Lamb shift spotted in solid qubit