![PopTech Audio: PopCasts show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/053/095/small/poptech-audio-popcasts.jpg)
Summary: <p>Cell biologist <a href="http://poptech.org/amro_hamdoun">Amro Hamdoun</a> seeks to understand the systems that cells and embryos use to protect themselves against chemical pollution. Why do some “bad” chemicals make it into cells, and how can we predict which ones will as we develop even more chemicals?</p>