Nerdist was started by Chris Hardwick and has grown to be a many headed beast.

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Sex Nerd Sandra: Awesome Ancient Sex

Dr. Christopher Ryan, co-author of Sex at Dawn, blows Sandra’s mind with the origins of human sexual behavior. Dave joins us briefly to vibrate our minds. Topics: Why our sexuality is about more than reproduction, a shocking truth about birth control, and why Doctor Who fans are so sexy!

Follow @ChrisRyanPHD on Twitter and check out his website for more info!

Follow @DaveToTheRoss and @SexNerdSandra on Twitter!

And visit Sex Nerd Sandra’s website for product links and more!