EnvironmentWill Colombia summit kick-start the end of the fossil fuel era? With progress at COP climate meetings stalling, 57 countries took part in the first of a new series of conferences aiming to develop road maps away from fossil fuels, but big emitters like China and the US were absent Analysis
PhysicsWeird 'transdimensional' state of matter is neither 2D nor 3D An experiment with a carbon material in a magnetic field has revealed a novel way for electrons to move, which doesn't fully belong in two or three spatial dimensions News