Some links:

•   Frege's house
•   Open Culture
•   Ted
•   BBC Radio 4, "In our Time"
•   What to read next?
•   Stanford Encyclopedia of Philosophy
•   Computational Complexity (Lance Fortnow)
•   Ladrões de Bicicletas (portuguese)
•   World newspapers
•   Monty Python I
•   Monty Python II
•   Monty Python III
•   optipess.com
•   Characters
•   Analogue multiplier based on CSAT (Cooperative Synergetic Agent Theory)