Rationally Speaking #18 - Evolutionary Psychology

Rationally Speaking #19 - Brendan Nyhan on False Beliefs that Refuse to Die

Rationally Speaking #20 - Q&A With Massimo and Julia

Rationally Speaking #21 - Joshua Knobe on Experimental Philosophy

Rationally Speaking #22 - Steven Novella on Lies, Damned Lies, and Medical Science

Rationally Speaking #23 - Carol Tavris on Everybody Making Mistakes, Except Us...

Rationally Speaking #24 - Memetics!

Rationally Speaking #25 - Q&A With Massimo and Julia

Rationally Speaking #26 - Is Anthropology Still a Science?

Rationally Speaking #27 - The Perihelinox Episode, With Historian Timothy Alborn on Anniversaries