You had more than 500 people at Cobo Center for the MichBio Expo, plotting the future growth of life sciences in Michigan . You had another big crowd up the road a few miles at the NextEnergy Center, which celebrated its grand opening in fine Detroit style -- from the coney dogs and Faygo they served for lunch to displays of cool vehicles (alternative fueled, naturally), along with everything from fuel cells to wind turbines. And EDS Corp. launched its new Agility Center in Auburn Hills, where the tech services giant will work on advanced projects with its partners. Let\'s start with NextEnergy, which formally opened the doors of the NextEnergy Center in Detroit \'s suddenly bustling TechTown.