As much as we sometimes roll our eyes at the ivory-tower isolation of universities, they continue to serve as remarkable engines of innovation.

It may not be possible to 'win the future,' in President Obama's words, but if we're going to encourage more innovation, it's not enough for us to just dig in and work harder. We also need to encourage surprise and serendipity. We need to play each other's instruments.

I suspect millions of people from my generation probably have comparable stories to tell: if not of sports simulations then of Dungeons & Dragons, or the geopolitical strategy of games like Diplomacy, a kind of chess superimposed onto actual history.

Silicon-based life may be impossible for one other reason: silicon bonds readily dissolve in water.

As much as we sometimes roll our eyes at the ivory-tower isolation of universities, they continue to serve as remarkable engines of innovation.

We need to play each others instruments.

Who is giving the orders to ants? No one. They are self-organizing. Each of our immune systems get smarter over the years as its biochemical parts share information, and it responds with individualized defenses, but it isn't conscious and it has no memory. The host of that party didn't decree that everyone would gather in the kitchen, but it happened anyway. Emergence means we sometimes act in concert for better or worse.