Do you have questions about why there is a big push for students to study science, technology, engineering, and mathematics (STEM)? Or what jobs, in addition to farming, are available for graduates with agricultural science degrees? USDA Chief Scientist and Under Secretary for Research, Education, and Economics Dr. Catherine Woteki will host a live Virtual Office Hours session on Twitter this Friday, August 23, 2012 at 2 p.m. EDT to answer your questions about what USDA is doing to make sure we are keeping the pipeline filled with promising students.