History Research update Einstein letter fetches record amount at auction ‘Private buyer with a passion for theoretical physics’ bids £170,000 Read article: Einstein letter fetches record amount at auction
Stars and solar physics Research update Eccentric pulsar could be part of a threesome Mysterious binary system defies explanation
Soft matter and liquids Research update Shrimp see a polarized world Biophysics experiment reveals how shrimp could find food and mates using circularly polarized light Read article: Shrimp see a polarized world
Biophysics Research update Ozone could clean up biological-warfare agents Acidifying water increases the lifetime of ozone so that it can be used for hours
Transport properties Research update Quantized conductance seen in graphene Graphene nanodevices move a step closer
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
Particles and interactions Research update Nobel laureates petition Bush over funding shortfall Twenty top physicists call for over $500m in 'emergency' cash to plug poor 2008 US science budget
Soft matter and liquids Research update Polar vortex replicated in a bucket Researchers make triangular, square and other polygonal vortices appear in swirling water Read article: Polar vortex replicated in a bucket
Telescopes and space missions Research update Weiler to remain NASA science chief Interim chief accepts permanent position and plans to continue hard-nosed approach to project overruns Read article: Weiler to remain NASA science chief
Structure and dynamics Research update Atom laser makes its first measurement The ability to modify an atom-laser beam should open up avenues in quantum information
Optics & Photonics Briefing This issue explores lasers and detectors, solar power, medical imaging and high-resolution displays