[sluukkonen]

There's also an updated version of the episode that they aired this year.

http://www.radiolab.org/story/update-crispr/

[DigitalJack]

Just to add some info: The update recaps the original, and talks about advances over the year or two since the first one.

It's a great podcast episode.

[mino]

And if you like the original episode, I also strongly suggest you listen to this: http://www.radiolab.org/story/shrink/

It is not CRISPR-related, but part of the same interview. It was really inspiring.