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Jeanna Bryner, LiveScience Managing Editor: Women may not need a guy, a vibrator, or any other direct sexual stimulation to have an orgasm, finds a new study on exercise-induced orgasms and sexual pleasure. The findings add qualitative and quantitative data to a field that has been largely... Sign in to see full entry.

Reuters: LOS ANGELES (Reuters) - Rodney King, who came to symbolize racial tensions in the United States after his 1991 beating at the hands of police led to deadly riots in Los Angeles a year later, was found dead in a swimming pool on Sunday in Rialto, California, police said. He was 47.... Sign in to see full entry.

By Eric Pfeiffer | The Sideshow Fans of the British television drama "Downton Abbey" could live out the drama in a countryside estate of similar stature that has recently gone up for sale. Apethorpe Hall, an idyllic British manor with an astounding 48 rooms, has hit the market for what is considered... Sign in to see full entry.

By KATIE MOISSE | Good Morning America: AIDS advocates say a pill proven to protect against the HIV virus could promote unsafe sex by creating a false sense of security. The U.S. Food and Drug Administration will meet Thursday to discuss whether Truvada, a drug already approved to manage HIV, should... Sign in to see full entry.

AFP: The number of new teenage mothers in the United States is at its lowest level in nearly 70 years but remains the highest of any major developed country, according to official figures released Tuesday. The current rate of 34.3 births per 1,000 women aged 15-19 is down 44 percent from a peak in... Sign in to see full entry.

By SPACE.com Staff: The first true " alien Earth " will likely be discovered in the next two years, a NASA scientist says. Astronomers have found more than 750 alien planets to date, and NASA's Kepler Space Telescope has flagged 2,300 additional "candidates" awaiting confirmation by follow-up... Sign in to see full entry.

By Mike Krumboltz | The Sideshow: Consider yourself warned. Sunday is April Fools' Day, a day when you are encouraged to pull pranks on loved ones, co-workers, casual acquaintances, and even that one guy at the bus stop. It's an odd tradition, but how did it get started? What's the history of April... Sign in to see full entry.

By Andrew Tarantola: Daylight Savings starts Sunday night, forcing America's clocks an hour into the future. Not only is this the lamest form of time travel ever invented, medical studies have suggested that being forced to get up an hour earlier for work is bad for your heart—like maybe kill you... Sign in to see full entry.

By BEN FORER | ABC News: Sheriff Joe Arpaio of Maricopa County, Ariz., said today that he and his investigators have evidence that President Obama 's birth certificate is a forgery. He also raised questions about the authenticity of Obama's selective service registration, though critics quickly... Sign in to see full entry.

By Linda Thrasybule | LiveScience.com: Synthetic marijuana, or "fake" pot, is nothing like the real thing. It's legal, and easily accessible to kids. It's also a bigger threat to kids' health. "Marijuana has been used for medicinal and recreational purposes for hundreds of years," said Dr. Jeff... Sign in to see full entry.