For anyone who needed official word, a new study confirms that many of us - and the majority of young adults - go online for no good reason at all.

The report from the Pew Research Center's Internet & American Life Project found that on any given day, 53 percent of 18 to 29 year-olds go online just to have fun or pass time.

A week after slowing Manchester United's title challenge, Newcastle will look to do the same to struggling Chelsea and provide further evidence of its ability to compete with the Premier League's top teams this season.

Newcastle is holding its own among exalted company at the top of the division, with a 1-1 draw at second-place United keeping the northeast side in the Champions League positions.

The U.N.'s human rights chief called Friday for Syria to be referred to the International Criminal Court over allegations that its crackdown on opposition protesters has led to crimes against humanity.

Navi Pillay, the U.N. High Commissioner for Human Rights, said fresh reports from the country — including that 307 children have been killed since March — reinforced the need for the Security Council to submit the situation in Syria to the Hague-based court.

French authorities have increased security for Syrian opposition members based in France who have come under threat, the interior minister said Friday.

Claude Gueant did not specify the nature of the threats or of the new security measures.

Al-Qaida claimed responsibility Thursday for the kidnapping of a 70-year-old American aid worker in Pakistan in August, and issued a series of demands for his release.

In a video message posted on militant websites, al-Qaida leader Ayman al-Zawahri said Warren Weinstein would be released if the United States stopped airstrikes in Afghanistan, Pakistan, Somalia and Yemen. He also demanded the release of all al-Qaida and Taliban suspects around the world.

U.S. Secretary of State Hillary Rodham Clinton and Myanmar opposition leader Aung San Suu Kyi, two of the world's most recognizable women leaders, pledged on Friday to work together to bring democracy to Suu Kyi's long isolated and repressive nation.

Wrapping up a historic three-day visit to Myanmar, Clinton held hands with Suu Kyi on the porch of the Nobel peace laureate's lakeside home where she spent much of the past two decades under house arrest and thanked her for a her "steadfast and very clear leadership." The meeting was the second in as many days for the pair who appeared to have bonded almost as sisters after a private, one-on-one dinner in Yangon on Thursday.

Argentina decided to hold back David Nalbandian, opting instead to send Juan Monaco up against Rafael Nadal in the opening singles match of the Davis Cup final.

Nadal will take on Monaco on Friday in the opening match of the best-of-five series on clay at the Olympic Stadium, with Nalbandian picked to play in Saturday's doubles.

Liverpool midfielder Lucas Leiva will miss the rest of the season after he damaged knee ligaments in his team's League Cup quarterfinal win over Chelsea.

The Brazil international was hurt in a seemingly innocuous challenge in Tuesday's 2-0 win.

While Real Madrid and Barcelona are already eyeing their upcoming matchup, the Spanish giants first have to get past a pair of awkward opponents this weekend.

League leader Madrid is waiting on the fitness of Cristiano Ronaldo as it prepares to put its 13-game winning run on the line at Sporting Gijon on Saturday, when Barcelona welcomes early season revelation Levante to the Camp Nou.

Manchester City's owner has praised manager Roberto Mancini for following the "right path" toward achieving the club's main objective, winning the Premier League title.

In rare public comments, Sheikh Mansour bin Zayed bin Sultan al-Nahyan told Dubai-based Sport360 daily newspaper that the club's main goal for the season is still within reach, despite City's slim chances of remaining in the Champions League.