Nine months after an election in Hesse had produced a tie between the two main parties, the state legislature was due to replace Roland Koch, boss of the local Christian Democratic Union (CDU), as premier and to install Andrea Ypsilanti, leader of the state's Social Democrats (SPD), in his place.

ECONOMIST: Germany's Social Democrats

More than half of all revenues for companies that install and operate the systems come from federal, state and local tax benefits.

FORBES: Wind Energy's Overblown Prospects

The best-paying state for these workers, who assemble, install, repair or maintain electric or hydraulic freight or passenger elevators, escalators or dumbwaiters: Massachusetts.

FORBES: America's Best-Paying Blue-Collar Jobs

The best-paying state for these workers, who assemble, install, repair or maintain electric or hydraulic freight or passenger elevators, escalators or dumbwaiters: New Hampshire.

FORBES: America's Best-Paying Blue-Collar Jobs

Dr Welch and his colleagues are planning to install a system of microphones stretching from the coast of Washington state to south-eastern Alaska.

ECONOMIST: Oceanography

Attempting to install this version of iOS in an unauthorized manner could put your device in an unusable state.

ENGADGET: Apple seeds iOS 6 beta 4 to developers: here's the changelog

July 2006: US media reports that intruders penetrate the US Department of State (DoS) networks, stealing sensitive information and user login credentials, and install backdoors on numerous computers, allowing them to return to the systems at will.

FORBES: Congress Bans Scientific Collaboration with China, Cites High Espionage Risks