Asteroids and meteorites, along with comets, are regarded as left-overs from the raw ingredients of the early solar system, uncooked by any planet-forming processes.

ECONOMIST: Asteroids

Yet, even if this revolution advances more slowly than he hopes, the trends he writes about are real and important, and his descriptions of how big companies are opening up their innovation processes to outsiders and the new ecosystem that is forming to finance start-ups should gladden the heart of any budding entrepreneur.

ECONOMIST: Starting out