Microblogging site Twitter on Wednesday opened a Korean-language website in an attempt to expand further into a market that has grown almost tenfold in the past year.

Korean is now one of seven languages offered on Twitter.com.

U.S. researchers have discovered why fetal stem cell transplants, once considered a promising field for treating congenital defects before birth, were failing: it was all mother's fault.

But mom's cells could also be the solution, according to a study on mice released Tuesday in the Journal of Clinical Investigation.

British super spy James Bond will head to the glitzy Gulf emirate of Dubai, itself no stranger to real-life espionage and assassination, in a new book titled "Carte Blanche," its author said Tuesday.

"This place is... so culturally vibrant, so picturesque, so full of fascinating, multicultural individuals," Jeffery Deaver said during a talk in Dubai. "This is an exotic city that is worthy of James Bond."

Venus Williams bravely battled through a painful injury to reach the Australian Open's third round as Spain's Fernando Verdasco survived a trademark five-set thriller.

Women's world number one Caroline Wozniacki finally hit form on Wednesday and American Andy

Global credit ratings agency Standard and Poor's on Tuesday revised its outlook for Lebanon to stable from positive despite a deepening political crisis in the Mediterranean country.

"The stable outlook reflects our view that while the government's control over the economic and political agenda has been diminished, outbreaks of civil unrest in the country will be avoided," the agency said in a statement.

Japanese toilets are famed for functions such as posterior shower jets and perfume bursts, but entertainment company Sega has gone a step further by installing urine-controlled games in Tokyo urinals.

Four types of "Toylets" games are available to be played during a test period ending this month at four male bathrooms in pubs and game arcades, in a project aimed at drawing attention to digital adverts.

Japanese researchers will launch a project this year to resurrect the long-extinct mammoth by using cloning technology to bring the ancient pachyderm back to life in around five years time.

The researchers will try to revive the species by obtaining tissue this summer from the carcass of a mammoth preserved in a Russian research laboratory, the Yomiuri Shimbun reported.

Serbian health authorities on Tuesday reported the first death of swine flu caused by the H1N1 virus in the Balkans country this year.

"A first lethal case linked to the flu virus H1N1 was reported. It concerned a person born in 1968 and living in Banat (northern Serbia) who suffered from chronic cardiac illness," the Serbian national health institute said in a statement.

Toyota on Tuesday said it is developing a new type of electric motor that would reduce its need for magnets; a move analysts say would help it cut its dependence on rare earth metals and lower costs.

The world's largest seller of hybrid automobiles is reportedly working on a motor based on common and inexpensive induction motors found in appliances such as kitchen mixers that use electromagnets instead of permanent ones.

Debate over adding firepower to the euro zone’s debt rescue funds heated up on Monday as Germany clashed with Brussels ahead of a meeting of finance ministers.

European Commission president Jose Manuel Barroso has pressed European leaders to take a decision to "reinforce" rescue funds by a February 4 summit but Euro zone paymaster Germany refuses to be rushed into it.