Build a tower: Tom Wujec

"Tom Wujec presents some surprisingly deep research into the "marshmallow problem" — a simple team-building exercise that involves dry spaghetti, one yard of tape and a marshmallow. Who can build the tallest tower with these ingredients? And why does a surprising group always beat the average?"
 

Measuring what makes life worthwhile: Chip Conley

"When the dotcom bubble burst, hotelier Chip Conley went in search of a business model based on happiness. In an old friendship with an employee and in the wisdom of a Buddhist king, he learned that success comes from what you count."
 

Sustainability: Jan Rotmans at TED

we do not live in an era of change but in a change of eras