EarthBlowing hot air: Are wind farms really bad for your health?Why is Australia spending millions on investigating unfounded claims of "wind turbine syndrome", a probable manifestation of the so-called nocebo effect?51¶¯Âþ
SpaceOur galaxy's impossible collision could break gravity The ballistics of galactic shrapnel show that the Milky Way has already crashed into its giant neighbour, Andromeda – but if that's right, physics is wrong Features