/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