The Department of Mathematics is pleased to announce that our Coursera MOOC in calculus is beginning today with approximately 23,000 registered students! The course is being run by Jim Fowler and may be found at https://www.coursera.org/course/calc1 . There is also a complementary site at http://mooculus.osu.edu. We are very proud of Jim's many skills, and great energy, and we wish him all the best in this important endeavor.