/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 /newsroom/news/list/2020/05/29/evolution-of-colour-vision-in-sea-snakes New research has revealed the evolution of colour vision in front-fanged snakes following their transition from terrestrial to fully marine environments, and for the first time, provided evidence of where, when and how frequently the species have adapted their ability to see in colour. The research suggests sea snakes’ vision has been modifying genetically over millions of generations, enabling them to adapt to new environments and meaning they can continue to see prey – and predators – deep below the sea surface. May 29 2020 Cathy Parker /newsroom/news/list/2020/05/29/evolution-of-colour-vision-in-sea-snakes