PHILADELPHIA--(BUSINESS WIRE)--The Science Center will break ground on the first building in its $600 million expansion at 10:00 am. on Monday, October 23, 2006. When completed, the expansion will more than double the Science Center’s campus size from 1.7 million square feet to 3.5 million square feet The new building is part of a real estate and biotech commercialization strategy to position the Science Center and Philadelphia as the premiere science and technology center in the world.