EnvironmentMillions of years ago a massive whale-eating whale roamed the seas Huge sharp-toothed whales lived in the oceans million of years ago. An analysis of stomach contents suggests the species was top of the food chain News
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