Entertainment_Culture

Julia Roberts arrives at the Oscars on Sunday, March 2, 2014, at the Dolby Theatre in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Amy Adams arrives at the Oscars on Sunday, March 2, 2014, at the Dolby Theatre in Los Angeles. (Photo by Dan Steinberg/Invision/AP)

Amy Adams arrives at the Oscars on Sunday, March 2, 2014, at the Dolby Theatre in Los Angeles. (Photo by Dan Steinberg/Invision/AP)

Leonardo DiCaprio arrives at the Oscars on Sunday, March 2, 2014, at the Dolby Theatre in Los Angeles. (Photo by Jordan Strauss/Invision/AP)

Threat Status podcast: How the Army plans to team humans with machines in combat