The famous Swiss glockenspiel clock in London's Leicester Square, which was demolished in 2008, is set to be rebuilt.

BBC: Clock design

Sotheby's in London will hold the watch and clock auction on Tuesday.

WSJ: Watch Making's Self-Taught Genius | Michael Clerizo on George Daniels

In London, forensic experts are still working round the clock to identify all of the 54 people who were killed in last week's bombings.

NPR: Pioneering DNA Forensics

U.S. Defense Secretary Leon Panetta, speaking in London, said the United States was working round the clock to ensure the safe return of its citizens.

CNN: STORY HIGHLIGHTS

Champion rowers Pete Reed and Andy Hodge and sailors Iain Percy and Andrew Simpson pulled the covers off the clock, as 2012 chairman Seb Coe, London Mayor Boris Johnson and world champion heptathlete Jessica Ennis looked on.

BBC: 2012 clock starts counting down as tickets go on sale

The clock has barely struck noon on a drizzly Tuesday in London, and Philip Green is in a tizzy.

FORBES: Envy With Green

Jerrold Zacharias at the Massachusetts Institute of Technology developed a practical atomic clock around the same time that Louis Essen and John Parry established the first atomic clock at the National Physical Laboratory in Teddington, west of London.

ECONOMIST: Global positioning: Accuracy is addictive | The

Unlike some of the world's faster-paced cities - New York, London, or even Toronto - few office workers remain in their suits or shirt sleeves long after the clock hits five.

BBC: Vancouver: Land of the lotus-eaters