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Christine Porter is hooked on the MyFitnessPal app. In October, after deciding to lose 50 pounds, Porter started typing in everything she eats, drinks and any exercise she gets.

"This is my main page here," says Porter. "It's telling me I have about 1,200 calories remaining for the day. When I want to record something I just click the 'add to diary' button. I'm on it all day either through my phone or through the computer."

She says she's lost 42 pounds in nine months.

As protests against the Turkish government enter their third week, activists are taking increasingly creative measures to maintain their momentum.

You have to wonder if President Obama ever thought, when he first ran for the White House, that he would need to defend himself from accusations his presidency would be a mere extension of his Republican predecessor.

But there he was with journalist Charlie Rose having to explain why his approach to national security wasn't really like that of President George W. Bush and Vice President Dick Cheney.

Women in America's armed services will have new options for what units they can join in coming years, the Pentagon says. The military said in January that it will end its combat exclusion that set a minimum size for units in which women could be deployed; the limit kept many women away from front-line combat units. The shift means women could join elite forces such as the Army Rangers and Navy SEALs.

On Monday we told you about allegations that America's potato growers had banded together in a price-fixing Potato Cartel.

In the past decade, Mexico's tech industry has flourished, growing three times faster than the global average. Most of that growth has been fueled by demand from the United States. But as Mexico's startups strive to make it in foreign markets, they say they need more engineers and ways to finance their growth.

Federal regulators are dropping plans to tightly control a procedure that is becoming increasingly popular for treating people stricken by life-threatening infections of the digestive system.

The Food and Drug Administration says the agency will exercise enforcement discretion and no longer require doctors to get the agency's approval before using "fecal microbiota for transplantation."

The United States and Europe stepped up cooperation on security issues after Sept. 11, 2001. But that doesn't mean they agree on everything. The latest point of friction: What are the rules when it comes to privacy rights?

The revelations about the National Security Agency's surveillance programs not only touched off a ferocious debate in the U.S. but also struck a nerve in Europe.