Jem Rolls runs poetry cabarets and poetry slams in Edinburgh, Scotland.
Julie Phillips is the author of "James Tiptree, Jr.: The Double Life of Alice B. Sheldon."
Philosopher Peter Singer lays out the argument that virtually everyone in America has a moral obligation to give money to help the desperately poor.
Coke consistently outsells Pepsi, though Pepsi routinely wins blind taste tests. Why is one of the mysteries of advertising.
Kayla Williams tells Anne Strainchamps that women soldiers feel sexism from their fellow soldiers, even in war zones, and that it complicates their lives.
Photographer Michael Nye made portraits of the mentally ill and homeless people in San Antonio, where he lives. He also recorded their stories.
Nick Hitchon is one of the participants in Michael Apted's Seven Up series of documentaries that checks in on the lives of ordinary people every seven years.