• Radiolab

Looking for something to do today? Agenda‘s got you covered.

Tonight at the Chicago Theatre, Robert Krulwich and Jad Abumrad of public radio’s science-focused Radiolab explain the entire history of the universe in Apocalyptical, accompanied by music and comedy. Also on the bill: comedian Kurt Braunohler.

Buster Keaton’s comedy The General screens today as part of Music Box’s Silent Saturday series.

Kicking off the 12 Weeks of Quimbus series at Quimby’s Bookstore is Caseen Gaines discussing his new book, A Christmas Story: Behind the Scenes of a Holiday Classic. Actor Ian Petrella, who played Ralphie’s little brother in the film, joins in for the talk.

For more on these events and others, check out the Reader‘s daily Agenda page.