View full lesson: http://ed.ted.com/lessons/kevin-slavin-how-algorithms-shape-our-world

Kevin Slavin argues that we’re living in a world designed for — and increasingly controlled by — algorithms. In this riveting talk from TEDGlobal, he shows how these complex computer programs determine espionage tactics, stock prices, movie scripts, and architecture. Slavin also warns that we are writing code we can’t understand with implications we can’t control.

Talk by Kevin Slavin.
Video Rating: / 5

View full lesson: http://ed.ted.com/lessons/how-playing-an-instrument-benefits-your-brain-anita-collins

When you listen to music, multiple areas of your brain become engaged and active. But when you actually play an instrument, that activity becomes more like a full-body brain workout. What’s going on? Anita Collins explains the fireworks that go off in musicians’ brains when they play, and examines some of the long-term positive effects of this mental workout.

Lesson by Anita Collins, animation by Sharon Colman Graham.
Video Rating: / 5