We travel because we need to, because distance and...

We travel because we need to, because distance and difference are the secret tonic of creativity. When we get home, home is still the same. But something in our mind has been changed, and that changes everything. Several new science papers suggest that getting away is an essential habit of effective thinking. When we escape from the place we spend most of our time, the mind is suddenly made aware of all those errant ideas we'd previously suppressed. We start thinking about obscure possibilitiebsthat never would have occurred to us if we'd stayed home.