Generalised subsidies are being replaced with carefully directed ones: for instance, some 1.5m of the poorest families can get a free tortilla ration by swiping cards through an electronic reader at their local tortilleria, where previously the height of technology was the gas-powered tortilla-squashing machine.

ECONOMIST: Mexico

Xenon gas will be supplied to babies via a specially-developed machine in ambulances.

BBC: Cooling gas to help save babies in Bristol

The FBI said video surveillance tape from a gas station where the suspects forced the carjacking victim to withdraw cash from an automatic teller machine shows two men who look like the accused brothers.

WSJ: Dzhokhar Tsarnaev Charged by U.S. Prosecutors in Boston Marathon Attack