Once a kid is born, their genetic fate is pretty much sealed. Or is it? In this episode, originally aired in 2012, we put nature and nurture on a collision course and discover how outside forces can find a way inside us, and change not just our hearts and minds, but the basic biological blueprint that we pass on to future generations.Support Radiolab by becoming a member of <a href="https://www.wnycstudios.org/podcasts/radiolab/membership">The Lab</a> today.    
<a href="https://www.youtube.com/channel/UCaum_fMDGgFQCmKHUBPq_xg">Radiolab is on YouTube!</a> Catch up with new episodes and hear classics from our archive. Plus, find other cool things we did in the past — like miniseries, music videos, short films and animations, behind-the-scenes features, Radiolab live shows, and more. Take a look, explore and subscribe!

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