US: Recess may be essential to education

The 3 R’s? A fourth is crucial, too: recess

New York Times  February 24, 2009

A recent study published in the journal Pediatrics suggests that recess is crucial to learning and developmental health.  Children who get more than 15 minutes of recess a day showed better behavior in class than those who had little or none.  Yet so many children are not getting the brain break they need.