VideoThe delightful and dangerous world of liquids Wibbly wobbly they may be, but liquids are jam-packed with surprises. Materials scientist Mark Miodownik betrays the anarchic secrets of the wet stuff. Video
PhysicsFridges made from plastic crystals could help cut carbon emissions Cooling devices like refrigerators and air conditioners consume a quarter of the world's electricity, but a plastic-based material could make them much greener News