WHAT IS YOUR DANGEROUS IDEA? - The World Question Center From GREGORY COCHRAN: There is something new under the sun - us. Thucydides said that human nature was unchanging and thus predictable - but he was probably wrong. The Struggle To Measure Performance - Business Week Rigid rankings hinder the teamwork and risk-taking necessary for innovation. But what combination of methods works best? Tags: Performance Ranking Now it's the knowledge economy, stupid "We are in an economy where we change jobs numerous times," Weissbourd said. "Learning to learn is the skill that is critical. Be able to read, write and learn new things." Tag: Knowledge Economy Nationwide study of learning needs some study itself - Statesman Jpurnal As states work harder on teacher quality, test scores go down. How come?