Station: BBC Scotland Program Name: The Nine Broadcast Date: 08/10/2024 Broadcast Time: 21:42:40 Duration : 3m 21s BBC Scotland - Tue, 8 Oct 2024 21:42:40 BST - The Nine A Scottish-led team of scientists has discovered the first cases of genetic mutation in malaria-spreading mosquitoes that gives them resistance to DDT, a banned insecticide no longer in use, but which continues to affect the environment.