Air cabin crews have a greater risk of skin cancer
Pilots and cabin crew are twice as likely as the general population to develop melanomas, probably because of the UVA rays streaming in through plane windows
Archerfish spit turbo-powered water jets to catch prey
Not content with squirting a stream of water at flying insects with uncanny accuracy, archerfish have also found a way to boost the jet for maximum impact
Bill Gates's epic project transforms farming in Africa
More than a million smallholder farmers are now tapping a huge new network of seeds, fertiliser, finance and customers – and it can transform their lives
Largest land dinosaur yet makes T. rex look tiny
Dreadnoughtus is larger than all known sauropod dinosaurs, and its highly intact skeleton could bring unprecedented insights into dinosaur life
Fabric circuits pave the way for wearable tech
Stretchable copper wiring has been woven into a fabric that can withstand dozens of runs through washing and drying machines
In our world beyond nations, the future is medieval
Islamic State is more like a postmodern network than a nation state - so we'll need new tactics to deal with it
Fungal fix for UK's Himalayan balsam problem
Himalayan balsam has aggressively outcompeted many native plants in the UK – a rust fungus imported from its homeland could help to bring it under control
Tiny buckybombs could make bacteria explode
Nanoscale explosives made from spherical carbon molecules could fight off a bacterial or viral army
Silence your phone with the radio wave of a hand
Hand gestures can be detected by the reflections of cellphone radio wave signals – allowing them to be recognised by any phone
End of nations: Is there an alternative to countries?
Nation states cause some of our biggest problems, from civil war to climate inaction. Science suggests there are better ways to run a planet
Monkey see, monkey do – marmosets learn from movies
Marmosets in a Brazilian forest have learned to retrieve a treat from a device by watching a video of a monkey completing the task in the lab
$10 million tricorder X Prize unveils 10 finalists
The quest to make a real-life version of Star Trek's pocket doctor could pay off, with gadgets including tiny blood tests and a digital consultant
Wrecked knees? Nose cartilage can fix them
Repairing damaged knee cartilage used to mean getting an artificial joint. Soon surgeons may just have to harvest a few cells from your nose
Chameleons and holograms: Dark energy hunt gets weird
Three ingenious experiments are duking it out to solve the mystery of whether dark energy exists and how it might be accelerating the universe's growth
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