A bilingual parent tries to keep a native tongue alive at home, a problem faced by many immigrants.
A study of copepods found that the growth rates of the tiny marine crustaceans is highly sensitive to temperature, with implications for the entire food chain.
What started out as a morality tale about the indiscretions of one of Rupert Murdoch's most tawdry tabloids is turning into a complex paper chase.
The tawdry depths of the phone hacking scandal surrounding Rupert Murdoch's media empire have shocked the UK public and exposed the heights of his political influence.
European leaders warmed to President Obama's emphasis on pragmatism and mutual values. Playing ping-pong and visiting Moneygall, Ireland, didn't hurt his popular image, either.
Obama is only the fourth foreign dignitary to address Parliament at Westminster Hall since World War II. He received a standing ovation for his speech on the US-Europe alliance.
China has signed a number of trade deals throughout Europe that could boost struggling economies, but some Europeans have misgivings about the possibility of a financial lifeline from China.
Rather than the euphoric victories in Tunisia and Egypt, Libya's conflict now evokes another uprising: Iraqis' 1991 failed bid to overthrow Saddam Hussein, who ruled for another 12 years.
A senior US embassy official made the clearest public statements yet of US determination to try to limit the hardline Sadr movement's influence if it continues to rebuff American overtures.
Police confronted a wave of walkouts, occupations, and protests Wednesday by British students angry over government plans for sharp tuition hikes. More protests appear likely.