ITunesU

• http://www.apple.com/education/itunes-u/

• Linear Algebra (MIT)
• Multi-variable calculus (MIT)
• Statistics (Harvard)
• Astrobiology and Space exploration (Stanford)
• Turing Centenary Lectures (Oxford)

Can be used audio only: (see http://www.sqlservercentral.com/Forums/FindPost1789009.aspx )