February 2012 IssueBusinessMeet Li-Fi, the LED-based alternative to household Wi-FiScienceTrials and errors: Why science is failing usGearHow to cook with liquid nitrogenBusinessCrowd control: How today's protests, revolts and riots are self-organisingScienceHow to make the first kiss countGearHow to judge jewellery's value on sightBusinessInfographic: real-time Mercedes F1 dataBusinessThe Smart List 2012: 50 people who will change the worldBusinessEcovative Design: wiping out polystyrene with fungus and farm wasteScienceMetallic micro-lattice is strong, yet weighs 100 times less than StyrofoamBusinessHow to protect the private data on your phoneScienceHail the taxi: the 5 best apps for finding a cabBusinessDavid Hornik: Nice guys finish first. Eventually.BusinessTest: A relentless grillingBusinessTest: Lighting the wayScienceWikiHouse's DIY kits are the open-source way to build a houseGearTest: Stylish SoundsBusinessRobot see, robot do: Inside the autonomous android labScienceWearable robot puts paralysed legs through their pacesScienceJeremy Rifkin: Energy-sharing is the new internetScienceCardboard: great for packaging, excellent for building boatsCultureShilo Shiv Suleman: Screen legendScienceSurreal swimmers: unwind your mind with the ultimate exotic petGearHow to use geometry in home decorationMore Stories