bonus, includes <i>"Adam Spencer Why I fell in love with monster prime numbers"</i>. Another worthy of this list: <i>"Los Alamos From Below"</i>, Richard Feynman ~ <a href="http://www.youtube.com/watch?v=0ogSC6JKkrY" rel="nofollow">http://www.youtube.com/watch?v=0ogSC6JKkrY</a>