The bacterial zoo inside your gut could look very different if you're a vegetarian or an Atkins dieter, a couch potato or an athlete, fat or thin.

Now for a fee — $69 and up — and a stool sample, the curious can find out just what's living in their intestines and take part in one of the hottest new fields in science.

Flu season in the U.S. is off to its earliest start in nearly a decade — and it could be a bad one.

Health officials on Monday said suspected flu cases have jumped in five Southern states, and the primary strain circulating tends to make people sicker than other types. It is particularly hard on the elderly.

Iran said on Tuesday it captured a small U.S. drone that penetrated its airspace over Gulf waters, but the White House and the U.S. Navy in the region denied the report.

The naval arm of the Iranian Revolutionary Guards said in a statement on the Guards website Sepahnews.com that "the unmanned U.S. drone patrolling Persian Gulf waters, performing reconnaissance and gathering intel, was captured as soon as it entered Iranian airspace."

The most widely anticipated pregnancy since Princess Diana's in 1981 is official: Prince William's wife, Kate, is pregnant.

St. James's Palace announced the pregnancy Monday, saying that the Duchess of Cambridge — formerly known as Kate Middleton — has a severe form of morning sickness and is currently in a London hospital. William is at his wife's side.

Arron Afflalo scored 30 points, and Glen Davis added 23 points and 12 rebounds as the Orlando Magic beat Dwight Howard in their first game against their longtime center, stunning the Los Angeles Lakers 113-103 on Sunday.

Howard had 21 points and 15 rebounds against his former team, but the rebuilding Magic rallied impressively for a 40-point fourth quarter for just their fourth win in 14 games, snapping a three-game skid.

The Iraq Stock Exchange says one of the country's largest mobile operators will start publicly trading its shares early next year. It will be the first stock float since the reign of Saddam Hussein.

The ISX said in a statement Sunday that a quarter of the Iraqi telecom operator Asiacell shares will be traded publicly as of Feb. 3.

The head of the U.N.'s telecommunication overseers sought Monday to quell worries about possible moves toward greater Internet controls during global talks in Dubai, but any attempts for increased Web regulations are likely to face stiff opposition from groups led by a major U.S. delegation.

The 11-day conference — seeking to update codes last reviewed when the Web was virtually unknown — highlights the fundamental shift from tightly managed telecommunications networks to the borderless sweep of the Internet.

The amount of heat-trapping pollution the world spewed rose again last year by 3 percent. So scientists say it's now unlikely that global warming can be limited to a couple of degrees, which is an international goal.

The overwhelming majority of the increase was from China, the world's biggest carbon dioxide polluter. Of the planet's top 10 polluters, the United States and Germany were the only countries that reduced their carbon dioxide emissions.

The final "Twilight" vampire movie held on for a third week to the top spot at the North America box office, narrowly holding off the latest James Bond effort, preliminary estimates said Sunday.

"The Twilight Saga: Breaking Dawn, Part 2," the fifth and final installment of the wildly popular series, took $17.4 million, said industry tracker Exhibitor Relations, pushing the film's three-week total past $250 million.

U.S. Secretary of State Hillary Clinton on Monday issued a "strong warning" to the regime of Bashar Assad over the potential use of chemical weapons against the Syrian people.

"This is a red line for the United States," Clinton said after meeting Czech Foreign Minister Karel Schwarzenberg in Prague.