EnvironmentThe toxic error at the heart of efforts to curb heavy metal pollution Environmental limits on dangerous metals like mercury and lead shouldn't just keep humans safe, but other animals too, say Coline Monchanin and Mathieu LihoreauComment
HumansWhy are so many records being broken at the Tokyo Olympics? World records seem to be tumbling at an impressive rate on the athletics track at this year’s Olympic games. Is new technology responsible, asks Laura Healey Comment