Twitter co-founder to cut role, focus on Square

Twitter co-founder Jack Dorsey said Tuesday he has turned over most operations at the high-flying company as he devotes more time to his other venture, mobile payments firm Square.

Show biz paper 'Variety' gets new owner

Variety, the century-old newspaper long seen as an authority on Hollywood and show business, has been sold to a Los Angeles-based digital media group, the companies announced Tuesday.

Che Guevara's diary goes digital

A copy of the handwritten diary that Che Guevara, the Argentine-born Cuban revolution hero, kept before his death in the mountains of Bolivia is now available online, a researcher said Monday.

French online classifieds exceed print: study

French online classified advertisements exceeded ads in print publications for the first in 2011, the Xerfi-Percepta market research firm said on Tuesday, but warned of a slowdown of spectacular growth.

Why clever crow is no bird brain

Biologists on Tuesday said they had figured out how the New Caledonian crow, a bird famed for using tools, does its party trick.

Key flight for Europe's GPS is cleared for launch

The launch of two Galileo satellites, marking a crucial step in Europe's planned navigation system, has been cleared for Friday, the European Space Agency (ESA) said on Tuesday.

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