The evolution of the most innovative square mile on the planet- the endless cycles of change and reinvention that created today's Kendall Square. Kendall Square in Cambridge, Massachusetts, has been called "the most innovative square mile on the planet." It's a life science hub, hosting Biogen, Moderna, Pfizer, Takeda, and others. It's a major tech center, with Google, Microsoft, IBM, Amazon, Facebook, and Apple all occupying big chunks of pricey...