Transport properties Research update The quantum nose Electron tunnelling could play an important role in how we smell
Stars and solar physics Research update Stars meet a darker death Supernovae not seen after long gamma-ray bursts Read article: Stars meet a darker death
Microscopy Research update Water pores reveal age of paper Neutron scattering illuminates degradation process Read article: Water pores reveal age of paper
Telescopes and space missions Research update Tiny dip could point to cosmic-ray origins Calculations help pin down GZK cut off
Dark matter and energy Research update Cosmic structure explained without dark matter Unorthodox gravitation theory provides alternative to general relativity Read article: Cosmic structure explained without dark matter
Climate Research update Sea-level rise could be greater than IPCC predictions, warns physicist Latest analysis suggests one-metre rise likely by 2100 Read article: Sea-level rise could be greater than IPCC predictions, warns physicist
Microscopy Research update Creating monoenergetic electron beams on a tabletop Colliding lasers produce MeV electron energies within millimetres Read article: Creating monoenergetic electron beams on a tabletop
Magnetism and spin Research update Magnets take the spin out of blood separation Red and white blood cells have opposite attractions Read article: Magnets take the spin out of blood separation
Lasers Research update Physicists peer into ultrashort laser pulses Technique could help steer electrons with astonishing precision Read article: Physicists peer into ultrashort laser pulses
Optics & Photonics Briefing This issue explores lasers and detectors, solar power, medical imaging and high-resolution displays