The most influential U.S. pediatrician's group has endorsed gay marriage, saying a stable relationship between parents regardless of sexual orientation contributes to a child's health and well-being.

The American Academy of Pediatrics' new policy, published online Thursday, cites research showing that the parents' sexual orientation has no effect on a child's development. Kids fare just as well in gay or straight families when they are nurturing and financially and emotionally stable, the academy says.

More than three-quarters of British doctors prescribe a treatment they know probably won't work at least once a week, like low-dose drugs, vitamins, nutritional supplements or an unnecessary exam, according to a new survey.

This use of placebo treatments directly contradicts advice from the British Medical Association, which deems them unethical.

As Jay Leno makes jokes about ratings-challenged NBC in his "Tonight" monologues, speculation is swirling the network is taking steps to replace the host with Jimmy Fallon next year and move the talk show from California to New York.

NBC confirmed Wednesday it's creating a new studio for Fallon in New York, where he hosts "Late Night." But the network did not comment on a report that the studio may become home to a transplanted, Fallon-hosted "Tonight."

A car bomb hit a Pakistani refugee camp Thursday, killing 13 people including women and children, raising further fears for the security of a May general election in the nuclear-armed state.

More than 30 other people were wounded when the bomb exploded in Jalozai, the largest refugee camp in Pakistan, as scores of people queued for rations handed out by a local charity in partnership with the United Nations and USAID.

Lady Gaga's manager says the pop star is "doing unbelievable" a month after she had hip surgery that caused her to cancel her U.S. tour.

Vincent Herbert said in an interview Tuesday the 26-year-old Grammy winner is "doing wonderful, doing great."

"Mad Men" star Jon Hamm is going mad over Justin Timberlake's suit and tie — the song and the singer's style.

"I'm a big fan of Justin Timberlake," Hamm said in a recent interview. "I think he's a trendsetter, as they say. But he's always been kind of a natty dresser."

YouTube says more than 1 billion people are now visiting its online video site each month to watch everything from clips of cute kittens to scenes of social unrest around the world.

The milestone announced Wednesday marks another step in YouTube's evolution from a quirky startup launched in 2005 to one of the most influential forces in today's media landscape.

Local officials aiming to transform Rio de Janeiro from a cultural backwater into an art hotspot are bolstering their campaign with this week's opening of a museum built around one of the world's premier collections of contemporary Latin American art.

Casa Daros, a 12,000-square-meter (129,000-square-foot) space in an impeccably renovated 1866 mansion, will house some of the works acquired the past 13 years by Zurich-based collector Ruth Schmidheiny. Working with German curator Hans-Michael Herzog, she combed Latin America at a time when the art world paid little attention to the region. The 1,200 pieces they bought came from 117 artists, most of them still alive and working.

"Argo" mentions New Zealand just once in passing, but the four-word reference is rankling Kiwis five months after the Oscar-winning film was released in the South Pacific nation.

Even Parliament has expressed its dismay, passing a motion stating that director Ben Affleck "saw fit to mislead the world about what actually happened."

Researchers in Germany said Tuesday they have completed the first high-quality sequencing of a Neanderthal genome and are making it freely available online for other scientists to study.

The genome produced from remains of a toe bone found in a Siberian cave is far more detailed than a previous "draft" Neanderthal genome sequenced three years ago by the same team at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany.