AP - A 150-pound sea turtle raised by humans returned to freedom on Monday after nine years of captivity, swimming away after the veterinarians who cared for her helped steer her toward the ocean.

AFP - The 19th World Petroleum Congress opened in Madrid on Sunday night, with key players in the sector meeting to discuss the future of the industry amid soaring oil prices and a widening gulf between consumer nations and producers.

AP - Showers and thunderstorms were expected to pass through Great Lakes and into the Southern Plains, Southeast and Mid-Atlantic on Sunday. There was a slight chance of severe weather including possible tornadoes along the eastern seaboard.

AP - Nebraska's largest city struggled Saturday to restore power to thousands of residents a day after a severe storm damaged homes, uprooted trees and killed two people in a neighboring community.

AP - The most powerful atom-smasher ever built could make some bizarre discoveries, such as invisible matter or extra dimensions in space, after it is switched on in August.

AFP - Genes can affect whether people tend to vote in elections or not, according to a US study released this week that suggested that the urge to cast a ballot is inherited.