TechnologyThe rise of the molecular machines set to make new wonder materials Machines made of atoms are being used to sew together new materials molecule by molecule, which could open the floodgates to all manner of innovation Features
EnvironmentJanez Potočnik interview: How a circular economy can help us go green A sustainable future means using less stuff more wisely – but politicians aren’t yet grasping the nettle, says the head of the UN International Resource Panel Features