There’s growing speculation in Washington at the Smithsonian’s National Zoo: Is mama bear panda Mei Xiang about to surprise the world with a new cub? Chip Reid is on panda patrol at the zoo with the maternal mystery. Source

Many theaters were packed overnight as the new hip-hop movie opened. Some theater owners are worried about security at screenings, which sparked backlash from fans who say they’re being stereotyped. Vladimir Duthiers reports on the movie that is coming out at a very sensitive time. Source

Samsung Pay is designed to do what Apple Pay and Google Wallet can’t: allow you to make payments nearly anywhere. Don Dahler spoke with the inventor, Will Graylin, who could give your money a new connection. Source

A 19-year-old firefighter was pulled alive from the rubble of the devastating explosions in China. New video of Wednesday’s explosions in Tianjin shows the devastation. At least 56 people are dead. Katie Stallard with our partners at Sky News reports from Beijing. Source

Three years after Connecticut abolished the death penalty, the state’s Supreme Court ruled to spare the remaining 11 convicted killers on death row. The court said it would be unconstitutional to execute them. Rikki Klieman joins “CBS This Morning” to discuss the court’s reasoning. Source

Nick Dietz compiles some of the latest and greatest viral videos, including a classic Disney animated film played out in reality and a musician shredding on a peculiar instrument called a “Chapman Stick.” To see these videos in their entirety, click HERE. Source

The “CSI: Cyber” star tells CBS News’ Lauren Moraski how she feels months after winning the best supporting actress Oscar for “Boyhood.” Source

“Show Me A Hero” looks back at the struggle over public housing and desegregation in the 1980s. The city of Yonkers, New York, was faced with a federal court order to build low income housing in white neighborhoods. The six-part series follows then-Mayor Nick Wasicsko, who faced fierce opposition from residents during city council votes. Executive producer David Simon and Oscar-winning director Paul Haggis join “CBS This Morning” to discuss the inspiration behind the series. Source

Nearly a third of adults spend more than half their waking hours using a digital device. Cornell Medical Center ophthalmologist Dr. Christopher Starr joins “CBS This Morning” to discuss what looking at screens is doing to our eyes. Source

Former President Jimmy Carter revealed Wednesday that he has cancer, and it has spread through his body. CBS News medical contributor Dr. David Agus is the head of the Westside Cancer Center at the University of Southern California. He joins “CBS This Morning” to discuss what’s next for the 90-year-old. Source