Current affairs

At TED's Full Spectrum Auditions, comedian Joshua Walters, who's bipolar, walks the line between mental illness and mental "skillness." In this funny, thought-provoking talk, he asks: What's the right balance between medicating craziness away and riding the manic edge of creativity and drive?

Artist-technologist Honor Harger listens to the weird and wonderful noises of stars and planets and pulsars. In her work, she tracks the radio waves emitted by ancient celestial objects and turns them into sound, including "the oldest song you will ever hear," the sound of cosmic rays left over from the Big Bang.

In this 3-minute talk, cartoonist and educator Jok Church tells a moving story of the teacher who cared for him when no one else did -- and how he returned the favor.