/newsroom/ en /newsroom/news/list/2024/12/19/some-evolutionary-losses-may-not-be-lost-forever Nine species of sea snakes have now been identified as having regained the genetic requirements for advanced colour vision, demonstrating that once a complex trait has been lost to evolutionary time, it may be regained in some way. December 20 2024 Johnny von Einem /newsroom/news/list/2024/12/19/some-evolutionary-losses-may-not-be-lost-forever /newsroom/news/list/2023/04/11/why-dont-larger-dogs-live-as-long-as-smaller-breeds Scientists have for the first time explained why larger dogs have shorter lifespans than smaller dogs - selective breeding for size has made large breeds more susceptible to cancer. April 11 2023 Jessica Stanley /newsroom/news/list/2023/04/11/why-dont-larger-dogs-live-as-long-as-smaller-breeds