New research done by Arizona State University reveals how some people are putting on the pounds even from working out. Dr. Tara Narula joins “CBS This Morning” to give insight on this new study. Source

From brilliant westerns like “Lonesome Dove” to contemporary dramas like “Terms of Endearment,” Larry McMurtry was a best-selling author who influenced television and film. The Pulitzer Prize-winning author died on Thursday of heart failure, according to a family statement. “CBS This Morning: Saturday” co-host Jeff Glor takes a look back on his life and legacy. Source

Nick Dietz compiles some of the week’s best viral videos, including an angry ram taking on a backhoe, a record-setting bike ride and some adorable, happy snowy owls. Plus, Lerna, Illinois, is home to a soda machine legendary for it’s dispensing speed. To see these videos in their entirety, click HERE. Source

Sources tell CBS News a plane is on the way to Sierra Leone to pick up the doctor who contracted the disease there. The patient should arrive at Nebraska Medical Center in Omaha on Saturday. Norah O’Donnell reports. Source

According to new research from the Centers for Disease Control and Prevention, 23 percent of high school students use tobacco, with most of that number smoking. Also, new CDC data on eye infections. Eboni Williams reports on the day’s top health stories. Source

Buddy Valastro, star of reality series “Cake Boss,” was arraigned in Manhattan Thursday on a drunk driving charge. Also, friends and family honored late actor James Gandofini when at his posthumous induction into the New Jersey Hall of Fame. Suzanne Marques reports on the day’s top entertainment stories. Source

A little friendly competition helped members of the Los Angeles County Sheriff’s Department lose weight — more than 1,000 pounds in all. CBS News’ Bigad Shaban reports. Source

Katie Holmes plays a pistol-packing elementary school teacher — turned vigilante — in the dark comedy “Miss Meadows.” And, as CBS News’ Suzanne Marques reports, Holmes is also getting ready for a new role on the other side of the camera. Source

The Weather Station, the music project by Toronto’s Tamara Lindeman, is hitting its stride. Her fifth album has been her breakout. While the tracks are as emotionally delicate and honest as any love songs, their theme is Lindeman’s experience with our changing climate. The band joins “CBS This Morning: Saturday” to perform the song “Loss” from their new album “Ignorance.” Source

Fortune unveils its annual list of the top business movers and shakers of 2014. Leigh Gallagher, assistant managing editor at Fortune, joins “CBS This Morning” to discuss the honorees. Source