Workers in NASA’s Jet Propulsion Laboratory cheered loudly when the Mars rover "Curiosity" landed successfully and sent back its first photos from the surface of the red planet. John Blackstone reports.
Off-the-clock emails are prompting a lawsuit and possible legislation regarding overtime pay. In a new Pew Research poll, 39 percent of workers say smartphones have made their working hours more flexible, but 35% say they are also putting in longer hours.
Mega stores like Walmart and Target are trying to re-energize sales after losing customers to online rivals like Amazon. CBS News financial contributor Mellody Hobson discusses the new moves being made by America's largest retailers.