![PopTech Audio: PopCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/053/095/small/poptech-audio-popcasts.jpg)
Summary: <p>Why is tuberculosis so resistant to treatment? <a href="http://poptech.org/sarah_fortune">Sarah Fortune</a> studies the bacterium that causes tuberculosis as well as how it responds to various eradication efforts, with a view to more effectively fighting this increasingly common global scourge.</p>