Day to Day
<iframe src="http://www.npr.org/player/embed/1785822/1785823" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
Slate contributor Steven Johnson discusses how the memory-erasing technique depicted in the film Eternal Sunshine of the Spotless Mind might someday become reality.
NPR thanks our sponsors
Become an NPR sponsor