The latest data on the climate suggests it will warm slightly less, and more slowly, than expected – giving us a chance to avoid the worst effects    

Evidence from brain and genetic studies suggests we should regard suicidal behaviour as a disease in its own right, a move that may help prevent suicides    

All the latest stories on newscientist.com, including: survival of the sociable, zap your brain, 3D ghost images without a camera, egg moon, and more    

A tag that transmits a radio pulse over 20 kilometres whenever jolted can be fitted to life jackets or animals, or even used to monitor damage to bridges    

Protecting against the new Middle Eastern coronavirus may be hard as vaccines for related bugs have caused an unwanted reaction, but work on SARS will help    

The purposeful, synchronised travel paths of the hundreds of thousands of bacteria are captured in a brilliantly colourful time-lapse image    

In the drive to climate-proof cities, we can't just focus on buildings. Social infrastructure is just as important, says sociologist Robert Sampson (full text available to subscribers)    

A landmark fossil study in 2008 suggested it was male dinosaurs that hatched the eggs, but a new analysis casts doubt on that idea    

Sitting in an icy nest near Saturn, tiny Methone is oddly smooth, perhaps because it is made of lightweight stuff that can flow to erase impact scars    

Mobile phones could soon be much less touchy-feely thanks to a new kind of 3D gesture-recognition technology that doesn't gobble up battery life    

Mood-emitting headphones, microwaving security tags, waterproof sandals, and more (full text available to subscribers)    

Computer programs could soon start making legal decisions, and they might do a better job than humans    

An imaging technique that identifies chromosomal abnormalities in young embryos could dramatically increase the success rate of IVF    

A new delivery concept uses the location of random strangers to TwedEx parcels directly to you – wherever you are    

A strange kind of photography called ghost imaging has been extended to work in 3D, and may one day prove useful for medical or security scans    

It's what school children have been waiting for – stimulating the brain speeds up mental arithmetic and the results seem to last    

All the latest stories on newscientist.com: new US agony beam weapon, malarial mosquitoes sniff you out, Google and NASA go quantum, and more    

A smartphone, a biosensor and a screen make up the Inside-Out system, which allows you to analyse how you felt throughout the day    

The processes of memory formation and retrieval have been observed across the entire brain for the first time using transparent zebrafish    

New big-name clients for quantum-computer maker D-Wave may signal that their devices are going mainstream – but are they really that fast?