Tasting the €250,000 test-tube burger (2:40)

Aug. 05 - A slice of history is served up as the world's first test-tube burger, made from lab-grown meat, is cooked and eaten in London. Hayley Platt asks if artifcial food will be the answer to food shortages

Flying robot perches to save energy (2:25)

August 5 - Researchers in Switzerland are developing a flying robot to navigate and collect data in cluttered environments. The robot is equipped to stick to vertical surfaces, and can recover and continue flying after a crash. Jim Drury reports.