Rationally Speaking #38 - Holden Karnofsky on Evidence-based Philanthropy

Rationally Speaking #39 - The Science and Philosophy of Free Will

Rationally Speaking #40 - Q&A With Massimo and Julia

Rationally Speaking #41 - Robert Zaretsky on Rousseau, Hume, and the Limits of Human Understanding

Rationally Speaking #42 - On the Limits of Reason

Rationally Speaking #43 - Women in Skepticism

Rationally Speaking #44 - Fluff that Works

Rationally Speaking #45 - Rebecca Newberger Goldstein on Spinoza, Göedl, and Theories of Everything

Rationally Speaking #46 - The Varieties of Skepticism

Rationally Speaking #47 - SETI