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.
Researchers say they're excited about a new brain implant that allowed a paralyzed patient to control a robotic arm with his mind. Erik Sorto is the first in the world to have this new neural prosthetic device. Elaine Quijano reports.