Crochet for change! Dr. Ana Maria Porras is a biomedical engineer who studies the human gut microbiome. She uses biomaterials to develop models of disease to study how both good and bad microbes in our intestines affect our health. And she also crochets them! She currently works as a Cornell Presidential Postdoctoral Fellow and is always finding new ways to engage with the public in the U.S. and Latin America using her crocheted microbes. Follow her on twitter @AnaMaPorras for #MicrobeMonday, you'll be sure to learn something new!