TechnologyElastic battery yarn could power smart clothes A stretchy lithium-ion battery made from carbon nanotubes can be woven into smart textiles to power lights and sensors 51¶¯Âþ
EarthThe US plan to cut emissions: What you need to know The US government is ordering all existing power plants to cut their greenhouse gas emissions. 51¶¯Âþ explains what the decision means 51¶¯Âþ