The return of the series offering the latest news from the frontiers of science, medicine and technology.
This weekfrom Japan, the world's most advanced mousetrap, which vacuums up and freezes the rodents it catches. Plus, from South Africa, the professor who thinks he has solved the mystery of the Turin shroud - he believes 13thcenturyforgersuseda crude kind of photography, 600 years before the process was thought to have been invented.
See today's choices.
Producer Sam Roberts ; Editor Edward Briffa