How much can a photograph tell us about our past? Historian Martha Sandweiss says images like the one of the railroads meeting at Promontory Summit “can describe, but they rarely explain.”

Wednesday, we're talking about success. The network scientist Albert-Laszlo Barabasi says he has figured out an actual, quantifiable formula that explains why some people are successful and others are not.

Why we do we kill ourselves? It's a tough question, but the science writer Jesse Bering says that if we can answer it, we stand a better chance of thwarting a tragic act.

Young people these days are having less and less sex. It’s actually kind of a problem, and the reasons behind the so-called sex recession aren’t all that wholesome.

Adventurer Craig Childs' latest book is a unique travelogue. It’s about his journeys across the country and back in time to the Ice Age to learn about the lives of the first people in North America.

Rolling Stone reporter Matt Taibbi has new a book that he describes as an “insider’s guide to the pressures at work in media." He says we’re exploiting people’s desire to root for their own team and hate the rest.

Wednesday, we’re telling the story of famed gunslinger Wild Bill Hickok. Biographer Tom Clavin is coming to Utah, and joins us to separate fact from fiction in Wild Bill’s life.

Utah voters approved Medicaid expansion in November, but since they opened their session a week ago, some lawmakers have been trying to change the initiative or repeal it all together. Should they?

Monday, we’re talking about the roots of the white power movement. Historian Kathleen Belew traces it back to the 1970s, when some soldiers returned from Vietnam feeling betrayed by their government.

Friday, a harrowing look at how America cares for those suffering serious mental illness. Director Ken Rosenberg’s film Bedlam follows several mentally ill patients as they bounce in and out of healthcare, housing, homelessness and prison.