Greece Gears Up for Crunch Time

Available for over a year

After European funds are turned off, Greek banks will close and capital controls will be put in place, as Greece holds a referendum on the European Central Bank's bailout terms. We hear the view from Athens and outside the capitol. A third rocket disaster in eight months as SpaceX's Falcon explodes moments after launch. The accident will add to mounting pressure on mission planners, but does it signal opportunity in the private sector? We speak to astronaut and author Commander Chris Hadfield. Plus, we visit Wales and the front line in renewable tidal energy. (Photo: People lining up to use an ATM. Credit: Getty Images)