February 6, 2004: Hour One: New Elements / Electronic Voting Technology Update February 6, 2004: Hour Two: Teaching Evolution / Brian Greene February 13, 2004: Hour One: AAAS Remote: Oxygen February 13, 2004: Hour Two: AAAS Remote: The Evolution of Dogs February 20, 2004: Hour One: White House Science Policy / Cancer News February 20, 2004: Hour Two: New Mad Cow Prion / Backyard Bacteria February 27, 2004: Hour One: Hydrogen from Ethanol / Engineering Awards: Computing Pioneers February 27, 2004: Hour Two: Breast Cancer Update / Jerome Groopman's 'The Anatomy of Hope'