EnvironmentPoorer nations will be hit by rising energy costs from climate change Some countries will spend less on power by 2100, but middle-income countries in the tropics and subtropics will spend more to keep buildings cool News
PhysicsInvestigation of Nazi uranium could help stop modern nuclear smuggling Cubes of uranium salvaged from Nazi Germany's atomic bomb programme during the second world war are being analysed to confirm their origin, and the method could help law enforcement investigate illegal trafficking of nuclear material News