NPR looks at why we can't walk in a straight line. More info (and radio broadcast) is available on NPR's main page.
posted by gman on Jan 9, 2011 - 52 comments

Test your knowledge of world flags. 15 per round, 10 minutes per round. Some clues available, annoyingly addictive.
posted by moonbird on Jan 2, 2006 - 37 comments