Insurers attribute the improvement to the fact that most new cars are now fitted with immobiliser systems which prevent the engines being started without a matching key signal.

ECONOMIST: Car theft: World champion | The

The key to a comfortable and injury-free run, he says, is a well-fitted pair of shoes.

NPR: Go the Distance with a Well-Fitted or High-Tech Shoe

He also fitted each turtle with a plastic box that collected its urine, for he had a suspicion that therein lay the key to the mystery.

ECONOMIST: Softshell turtles urinate through their mouths