Thomas Goetz: It’s time to redesign medical data (TEDMed talk):Your medical chart: it’s hard to access, impossible to read — and full of information that could make you healthier if you just knew how to use it. At TEDMED, Thomas Goetz looks at medical data, making a bold call to redesign it and get more insight from it.

Tim Harford: Trial, error and the God complex (TED talk): Economics writer Tim Harford studies complex systems — and finds a surprising link among the successful ones: they were built through trial and error. In this sparkling talk from TEDGlobal 2011, he asks us to embrace our randomness and start making better mistakes.

Mike Rother: The Challenge of Developing Lean Management: This 45-minute video explains the role of Kata in changing an organization’s culture. Practicing the ‘starter routines’ of the Improvement Kata and Coaching Kata is a way of learning how to set and accomplish any challenging objective.