EnvironmentSterile fish could help wild salmon dodge the ‘gene pollution’ effect Farmed Atlantic salmon make the local wild salmon population weaker. Making them sterile could work – but there’s a catch News
SpaceI'm working on a universal language to let us speak to aliens It's time to find a new way to speak across the stars, says Douglas Vakoch, head of METI, the body dedicated to messaging possible alien civilisations Comment