Half the universe's supernovae explode without a trace. Stuart Clark trails the neutrino sleuths looking for the faintest of clues (full text available to subscribers)
All today's stories on newscientist.com, including: Belle de Jour on sexuality, the gene switch that made our brains, the new commercial space age, and more
Private firm SpaceX gears up to spark next space age
Docking with the ISS would be a first for a commercial craft – and a key milestone for making space flight cheaper and more innovative (full text available to subscribers)
Anti-theft sensors could open car windows to save life
Infrared anti-theft sensors in cars could be programmed to wind down windows if they detect movement inside, preventing child and animal heatstroke deaths
The humanity switch: How one gene made us brainier
A single gene may have helped the evolution of our complex brains 2. 5 million years ago, as we were splitting from australopithecines (full text available to subscribers)