Extra: Domonique Foxworth Full Interview

Stephen Dubner’s conversation with the former N.F.L. player, union official, and all-around sports thinker, recorded for our “Hidden Side of Sports” series.

Extra: Mark Cuban Full Interview

A conversation with the Shark Tank star, entrepreneur, and Dallas Mavericks owner recorded for the Freakonomics Radio series “The Hidden Side of Sports.”

Extra: Mark Teixeira Full Interview

A conversation with former Major League Baseball player and current ESPN analyst Mark Teixeira, recorded for the Freakonomics Radio series “The Hidden Side of Sports.”

Extra: Elvis Costello Full Interview

A conversation with the iconic singer-songwriter, recorded for the Freakonomics Radio series “How to Be Creative.”

Extra: Jeremy Lin Full Interview

A conversation with veteran N.B.A. point guard Jeremy Lin, recorded for the Freakonomics Radio series “The Hidden Side of Sports.”

Extra: Shawn Johnson Full Interview

A conversation with 2008 Olympic gold medalist Shawn Johnson, recorded for the Freakonomics Radio series “The Hidden Side of Sports.”

Extra: Full Interviews With Jimmy Garoppolo, Joe Staley, Mike McGlinchey, and Kyle Juszczyk

Stephen Dubner’s conversations with members of the San Francisco 49ers offense, recorded for Freakonomics Radio episode No. 350, part of the “Hidden Side of Sports” series.

Extra: Ray Dalio Full Interview (Ep. 330)

Stephen Dubner's conversation with the founder and longtime C.E.O. of Bridgewater Associates, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

Extra: Mark Zuckerberg Full Interview (Ep. 328)

Stephen Dubner's conversation with the Facebook founder and C.E.O., recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”

Extra: Carol Bartz Full Interview (Ep. 327)

Stephen Dubner's conversation with the former C.E.O. of Yahoo, recorded for the Freakonomics Radio series “The Secret Life of a C.E.O.”