Carlos Tevez has appealed to the Premier League against a six-week fine imposed by Manchester City for his continued absence from the club.

City found Tevez guilty on December 22 of gross misconduct for traveling without permission to his native Argentina in November, where he remains.

Google, Facebook and other big tech companies are jointly designing a system for combating email scams known as phishing.

Such scams try to trick people into giving away passwords and other personal information by sending emails that look as if they come from a legitimate bank, retailer or other business. When Bank of America customers see emails that appear to come from the bank, they might click on a link that takes them to a fake site mimicking the real Bank of America's. There, they might enter personal details, which scam artists can capture and use for fraud.

Twitter CEO Dick Costolo sought to calm the global outrage over the company's new country-by-country censorship policy, complaining in part that the issue is being treated with the same kind of shorthand that has made Twitter popular.

Speaking at the All Things D conference on Monday, Costolo repeated the company's justification for the policy change it announced last week: By taking down tweets only in the country where Twitter believes they may have violated local laws, it is making sure the maximum 140-character-long messages are still available to the rest of the world.

It was completed in 1930, a masterpiece of Modernism by legendary German architect Ludwig Mies van der Rohe.

But Villa Tugendhat's early history was rocked by the turbulence of the 20th Century: The Nazis seized it, then came World War II bombardments that smashed its windows. When the Soviet troops liberated Czechoslovakia, living space became a large stable. It has languished in disrepair ever since.

A German appeals court has upheld a decision prohibiting Samsung Electronics Co. from selling two of its tablet computers in Germany, agreeing with Apple Inc. that they too closely resemble the iPad2.

The Duesseldorf state court ruled Tuesday that neither the South Korean company's Galaxy Tab 10.1 nor the Galaxy Tab 8.9 could be sold in Germany because they were in violation of unfair competition laws.

No tickets for the 2012 Olympics? Don't despair: You don't need one to enjoy the games and the party atmosphere in London this summer.

Although most sporting events take place in ticketed Olympic venues, there is plenty to see and do elsewhere in the run-up to and during the games.

For decades, archenemies Pakistan and India have engaged in a dangerous nuclear arms race. Now they're also competing in a more cheerful forum. The outcome will be mouthwatering curries and soothing Sufi ballads, not violent conflict.

The fractious neighbors are going head-to-head in a pair of reality TV shows that pit chefs and musicians against each other. Producers hope the contests will help bridge the gulf between two nations that were born from the same womb and have been at each other's throats ever since.

None of the 29 Chinese workers abducted after an attack in a volatile region of Sudan have been freed, Chinese state media said Tuesday, dismissing reports that some of the workers had been released.

The workers were abducted Saturday by militants in a remote region in the country's south. Sudanese state media reported Monday that 14 of them had been freed, but the official Xinhua News Agency and China Daily newspaper said all 29 were still being held.

Camilla Williams, believed to be the first African-American woman to appear with a major U.S. opera company, has died. She was 92.

Williams died Sunday at her home in Bloomington, Indiana, her attorney, Eric Slotegraaf, said Monday. She died of complications from cancer, said Alain Barker, a spokesman for the Indiana University Jacobs School of Music, where Williams was a professor emeritus of voice.

Former Brazil left back Roberto Carlos says he will retire from football by the end of the year.

The 38-year-old Roberto Carlos has a contract with Russian club Anzhi until 2013 but said he will stop playing either in June or in December of 2012.