ÎçÒ¹¸£Àû1000¼¯ºÏJust a few hours’ exercise a week makes your heart grow bigger It’s not just Olympians and other top athletes. Scanning the hearts of over a thousand people has revealed moderate exercise can be enough to enlarge hearts too News
TechnologyBacteria made to turn sewage into clean water – and electricity A self-powered waste water treatment plant using microbes has just passed its biggest test, bringing household-level water recycling a step closer News