![PopTech Videos: PopCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/031/431/small/poptech-videos-popcasts.jpg)
Summary: <p><a href="/people/jim_olson">Jim Olson</a> invented a potentially revolutionary “tumor paint” that locates and lights up tumor cells to show surgeons exactly what to excise. “In a few years, surgeons will have a hard time going back to surgery as they did it in the past.”</p>