Geologist Callan Bentley leads you on an exploration of a billion years of geologic time in the Mid-Atlantic, from magma chambers to super-continents. The course concludes with a behind-the-scenes tour at the Natural History Museum.

Did you know that the cup of coffee you drink each morning can have a positive impact on sustaining habitats for songbirds? Bird-friendly coffee does just that. Today, learn about—and taste—some certified avian-friendly coffee.

Paleoanthropologist Ian Tattersall discusses why homo sapiens became "masters of the planet" when other human species died out. How did our early ancestor acquire the physical traits and cognitive ability that ensured our success?

Is the gridlock in Congress a sign that the system is broken or showcasing real clashes of ideas and opinions, as the Founders expected? Congressional members and other experts discuss the history behind the stories of how Congress works.

Mingle at the Museum event: Celebrate the spirit of the Harry Warnecke Studio after-hours in the National Portrait Gallery’s exhibit In Vibrant Color. In the Kogod Courtyard, experience the place where painting, photography, performance, and installation all meet as you become part of artist Alexa Meade’s work, inspired by Warnecke’s photographs. Sip a specialty cocktail, nibble on hors d’ oeuvres, and chat with exhibit curator, Ann Shumard, while exploring the many meanings of camera-ready color.

Using film clips, rare photographs, and original recordings, film scholar Christine Bamberger explores Astaire's life, influences, and multi-faceted career.