LifeDefining what constitutes a 'new' species isn't straightforward Even at this time of rapid extinction, there are many species to be discovered, but we need to take care over what we mean when referring to "new species", says Penny SarchetComment
VideoFinding Britain's dinosaurs: Inside amazing fossil finds across the UK Steve Brusatte tells the evolutionary story of dinosaurs via British fossil finds, including exciting new discoveries from Scotland, England, and Wales. Video