Sara Volz, winner of the 2013 Intel Science Talent Search, stops by for our 250th episode to talk about her research into using algae as an alternative to fossil fuels. Algae produces oil that can be converted into a renewable fuel, so Sara used guided evolution to establish populations of algae cells with high oil content. She also discusses her home lab, what it felt like to win the award, and her future plans. Congratulations to Sara!