Future Tense: Video games improve vision. Bonus: Imagining life without DRM

Two distinct items on today's Future Tense (RealAudio - MP3 - iTunes): Researchers at the University of Rochester have found that people who play high-action video games see better than those who don't.

Also: Apple CEO Steve Jobs sent shock waves through the music industry this week when he called for an end to digital rights management, or DRM. Jobs inspired Chicago-area designer, artist and blogger Clay Miller to record his thoughts to the tune of John Lennon's "Imagine."