The BBC's Paul Wood, who travelled without permission to Syria's flashpoint city of Homs, reports that he saw a small but steady stream of defectors from the official security forces.
Now, automated cars are being tested on roads. With companies from Google to Volvo putting large quantities of money into the technology, if it is to become legal, the thought of a commute without a packed train or having to concentrate on driving is an exciting one.
Global fish stocks are exploited or depleted to such an extent that without urgent measures we may be the last generation to catch food from the oceans.
