Featuring the latest weapon in the war against mosquitos.
A scientist in Florida has found a way of lacing the food of mosquitos with a hormone that can shut down their digestive system.
Plus German forensic scientists who are using pollen to solve the mystery of who killed victims discovered four years ago in a Second World War mass grave. Presented by Peter Snow and Philippa Forrester, with reports from Jez Nelson , Craig Doyle andAnyaSitaram.
Producer Daniel Barry ; Editor Saul Nasse
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