In their book The Rainforest: The Secret to Building the Next Silicon Valley, Victor W. Hwang and Greg Horowitt write of the biology of innovation. "How we interact with each other is like a recipe that takes a bunch of independent atoms -- human beings -- and combines them into something greater than the mere sum of these atoms. Most of the time, that recipe looks quite familiar. It consists of the day-to-day interactions that make up everyday life: buying vegetables at the supermarket, making a phone call to your mother, sharing a coffee with your friend. Read it here.