Music writer Alex Ross on John Williams' legacy as the composer receives his 50th Oscar nomination ... the Hidden History of Los Angeles ... Brains On takes us to the International Space Station and starts a Kickstarter campaign ... 5 Every Week gives you five cool things to do this week ...

From the corner booth at the historic Musso and Frank Grill in Hollywood, we talk the biggest night in Hollywood with critics, writers and more!

Our black widow spiders v. their brown widow spiders. Sex on the radio with Mimi Pond, author of Over Easy, graphic novel. An old friend shows another side of Ruben Salazar.

Celebrate the 50th birthday of the sexy, muscular Mustang; remember the mix-tape you made for your high school sweetheart; come to a rare Getty doubleheader; and look for Easter eggs in animated movies.

The marathoner whose life was saved by a photo at the 2013 Boston Marathon runs the race this year. Plus: Mike Kelley, Coachella, Heritage Square crash, and Friedkin's "Sorcerer."

Chapman University opens permanent Huell Howser exhibit; LA residents dealt with location shooting problems 100 years ago; Teaching adults to ride bikes.

Philippe Vergne and the MOCA challenge; John Hwang's loving portraits of his friends on Skid Row; a Modest Proposal to eliminate Scratchers litter; an actually new Frida Kahlo exhibit

A Disney artist uses a mattress to save a falling baby. When will Spotify, Pandora, and the rest start profiting songwriters? Female impressionists!

Unlikely mariachi Mateo Stoneman takes SxSW by storm in new documentary; city archives show fight against smog and backyard trash burning; hair Angels fight head lice.

A KISS arena football team is coming to SoCal. What was Cecil B. DeMille thinking when he made "Madam Satan?" Kristen Bell on the Ira Glass/"Veronica Mars" cameo.