LONDON (AP) - British regulators are investigating revelations that Facebook treated hordes of its users like laboratory rats in an experiment probing into their emotions.
SAN FRANCISCO (AP) - Silicon Valley venture capitalist Tim Draper is betting that bitcoins will bring more financial stability to countries with shaky economies, even though the digital currency faces an uncertain future itself.
LAS VEGAS (AP) - Two major Las Vegas resorts will be completely overhauled and rebranded in another sign that the entertainment capital is emerging from its recession doldrums.
NEW YORK (AP) - Target is "respectfully" asking its customers to not bring firearms into its stores, even where it is allowed by law.
LAGRANGE, Ohio (AP) - The death of a healthy high school student initially baffled the local coroner until testing of a white powdery substance found in his home came back as caffeine.
DETROIT (AP) - A man who was punched in the head over the weekend while refereeing an adult-league soccer match in suburban Detroit died Tuesday, authorities and a longtime friend of the referee said.
LAKE HAVASU CITY, Arizona (AP) - The London Bridge is not falling down, despite a British tabloid saying that the western Arizona tourist attraction could be bulldozed to make way for drug tourism.
CEDAR RAPIDS, Iowa (AP) - Searchers recovered the body of a teenager who was swept into a storm drain in Cedar Rapids by fast-moving flood waters, a tragic end to an intense daylong search, authorities said Tuesday.
GETTYSBURG, Pa. (AP) - A Maryland woman poisoned her young sons with eye drops and faces charges of aggravated assault and endangering the welfare of children, Pennsylvania police said.
CHAMBLEE, Ga. (AP) - Three men who scaled a median and tried to cross about a dozen lanes of a metro Atlanta freeway were struck and killed by a pickup early Tuesday, snarling traffic into rush hour and puzzling police, who said they were unsure why the group made the risky move.
• POLICE CHARGE PA. MAN FOUND DRIBBLING ALONG I-78: BETHLEHEM, Pa. (AP) - A 22-year-old Pennsylvania man faces charges after police encountered him dribbling a basketball along Interstate 78 near Bethlehem.
WASHINGTON (AP) - President Barack Obama defiantly dared congressional Republicans on Tuesday to try to block his efforts to act on his own and bypass a divided Congress that has thwarted his policy initiatives.
NEW YORK (AP) - A former New York Police Department officer left jail on Tuesday after a judge stunned prosecutors and overturned his conviction in a sensational case accusing him of plotting on the Internet to kidnap, kill and eat young women, including his wife.
GILBERT, Ariz. (AP) - The U.S. Supreme Court announced Tuesday that it will decide whether an Arizona town violates the First Amendment by restricting where and when a church can place signs advertising Sunday morning services.
ALBANY, N.Y. (AP) - The state's highest court ruled Tuesday that a local cyberbullying law is overbroad and violates Constitutional free speech protections, noting that "the First Amendment protects annoying and embarrassing speech."
NEW YORK (AP) - For JPMorgan Chase employees, it might be best not to leave a message.
LAND O' LAKES, Fla. (AP) - A Florida science teacher has been suspended for running a signal jammer to prevent his students from using their cellphones in class.
SACRAMENTO . (AP) - Californians are using less water, but they'll have to conserve a lot more to reach the mandatory drought cuts taking effect this month, according to the latest numbers released Tuesday.
SAN FRANCISCO (AP) - Wearable fitness tracking device maker Fitbit, which filed for an initial public offering last month, said Tuesday that it now expects the offering to raise about $450 million.
LAS VEGAS (AP) - The IRS says a $600 slot machine or bingo jackpot might get its attention in the future, and the prospect has riled gamblers and the casino industry.
NEW YORK (AP) - Wal-Mart is raising starting wages for more than 100,000 U.S. department managers and workers in its deli and other specialized departments.
SACRAMENTO (AP) - State water officials say they will use satellite surveillance from high above farms in the Sacramento-San Joaquin River Delta as one way of confirming that fields have been left fallow under voluntary conservation agreements with farmers.
SANTA CATALINA. (AP) - Santa Catalina Island harbor patrol has found the carcass of a 17-foot-long sea serpent - a rarely-seen oarfish.
NEW YORK (AP) - Bruce Jenner's transition is complete.
SALEM, Ore. (AP) - Five earthquakes ranging in magnitude up to 5.9 have struck off the coast of the Pacific Northwest, but they weren't strong enough to generate tsunamis, scientists said.
WASHINGTON (AP) - The Supreme Court on Monday threw out the conviction of a Pennsylvania man prosecuted for making threats on Facebook, but dodged the free-speech issues that had made the case intriguing to First Amendment advocates.
FARGO, N.D. (AP) - A man who is protesting his dismissal from North Dakota curling club has won the right to take his case into overtime.
LOS ANGELES (AP) - William Shatner will boldly travel across the U.S. on a three-wheeled motorcycle.
• Boy, 17, impersonates FBI agent, test drives car, crashes it: YPSILANTI TOWNSHIP, Mich. (AP) - A 17-year-old southeastern Michigan boy pretended to be an FBI agent and got a car dealer to let him test drive a Dodge Charger, then crashed the muscle car in northwestern Ohio, authorities say.
ORANGE . (AP) - The California swimming pool and spa industry has launched a campaign to market itself as a drought-friendly landscaping option as the state enters a fourth summer of drought that has residential pools and other conspicuous water users in the crosshairs.