December 2012 IssueBusinessCharity startup: Scott Harrison's mission to solve Africa's water problemCultureDan Ariely: 'What kids peeing in the pool can teach us about bankers'CultureWhat's inside Play-DohGearBeats cleaned up: how David Gunness is beating 'the smear of sound'BusinessHow to make a remote camera-trigger from an aerosolBusinessContaining Chernobyl: the mission to difuse the world's worst nuclear disaster siteCultureAshley Benigno: 'Let's not lose the dangerous sexiness of physical books'CultureLevi van Veluw's work is quite literally art for all the familyBusinessMega: Inside the mansion and the mind of Kim DotcomGearGear guide: stopwatches, timepieces and tourbillonsBusinessValley of the digital dolls: how MakieLab creates ultra-personalised action figuresCultureHow to build your own Mentos and Diet Coke fountainGearThe big question: 'What will warfare and weapons be like in the future?'ScienceGear guide: telescopes, microscopes and camerasGearGear guide: speakers, instruments and docksBusinessBlaBlaCar: Hitchhiking for the online ageBusinessRohan Gunatillake: 'Slow down and enjoy the karma of your devices'BusinessHow Nora Abousteit knitted herself a new startup, KollaboraGearGear guide: Jet skis, power boards and sportswearBusinessGear guide: boats, jet packs and bikesScienceWhat makes people religious? Match your social background to our chartScienceThe fluffy science of plastic candyflossScienceHow much data did Facebook have on one man? 1,200 pages of data in 57 categoriesGearHow to eat raw meatMore Stories