Rationally Speaking #100 - Live Q&A: Massimo and Julia Answer Everything!

Rationally Speaking #101 - Max Tegmark on the Mathematical Universe Hypothesis

Rationally Speaking #102 - Zach Weinersmith on His "SMBC" Webcomic

Rationally Speaking #103 - Neil deGrasse Tyson on Why He Doesn't Call Himself an Atheist

Rationally Speaking #104 - Edward Frenkel on Love and Math

Rationally Speaking #105 - Greta Christina on Coming Out Atheist

Rationally Speaking #106 - Live From NECSS With Lawrence Krauss

Rationally Speaking #107 - MOOCs

Rationally Speaking #108 - Suicide

Rationally Speaking #109 - Rebecca Newberger Goldstein on Plato at the Googleplex