Asparagus is known for it's great flavor, but also for its ability to make pee smell... different. In this video, biochemist and author Shirley Corriher explains the science behind this funky phenomenon. Shirley is the author of CookWise: The Hows and Whys of Successful Cooking. She explains that enzymes in our noses allow us to smell the scent of asparagus pee. It turns that not everybody can perceive this funny odor -- check out the video to get the whole story.