Rationally Speaking #97 - Peter Singer on Being a Utilitarian in the Real World

Rationally Speaking #98 - Jerome Wakefield on Psychiatric Diagnoses: Science or Pseudoscience?

Rationally Speaking #99 - Judith Schlesinger Exposes the Myth of the Mad Genius

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