scienceCultureMathematicians grow an 11-set Venn diagram roseBy Ian SteadmanScienceEyeless cave-dwelling spider has two-, four- and six-eyed peersBy Liat ClarkScienceEvoFIT facial-recreation software is helping police with their enquiriesBy David BakerSecurityLaser 'knife' could slice food into any shape using electromagnetsBy Liat ClarkScienceRadar prototype tracks Wi-Fi signals to spy through wallsBy Liat ClarkBusinessThe psychological techniques we use to avoid each other on the busBy Wired.comScienceThe league of extraordinary womenBy João MedeirosBusinessSocial psychologist creates machine to visualise how serendipity worksBy Madhumita VenkataramananScienceSiemens builds 75-metre-long rotor blade from a single mouldBy Liat ClarkCultureFinding the secret to the most popular sing-along bar songsBy Tanya LewisScienceMathematics Confirms "Mean Girls"By Samuel ArbesmanSciencePiglets substitute for human babies in cognitive science maze testBy Olivia SolonScienceHY-KERS hybrid engine produces fewer emissions, still roars like a FerrariBy Jeremy KingsleyScienceiPavement: Wi-Fi paving stones that give free internet access to passers-byBy Madhumita VenkataramananScienceBuilding a nuclear-fusion reactor in warehouse with parts from eBayBy David BakerScienceTestosterone is to blame for financial market crashes, says neuroscientistBy Olivia SolonBusinessAirbus designer reveals plans for 3D printed planes by 2050By Liat ClarkScienceCompassion over empathy could help prevent emotional burnoutBy Olivia SolonScienceThe Big Question: 'What is the future of travel and tourism?'By Madhumita VenkataramananScienceArtist genetically engineers mice with the DNA of Elvis PresleyBy Ian SteadmanBusinessBiometric security hacks threaten to ruin the KeyLemon partyBy Mark PiesingScienceThe revolution will be live-streamedBy Madhumita VenkataramananScienceClassic study of animal sexuality challenges our traditional valuesBy Brandon KeimScienceSmooth fractals: inside the infinite loopBy Madhumita VenkataramananMore Stories