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By making E. coli dependent on an artificial amino acid, scientists hope to show that engineered organisms can be safer and more useful for industrial processes like drug production.

Audie Cornish talks with Kenneth Rogoff, professor of economics at Harvard University, and former chief economist of the International Monetary Fund.

President Obama wants to expand an existing tax credit for child care and create a new one for families with two working spouses. He also wants to make two years of community college free and expand access to retirement savings programs.

Everyone hates to pay extra for checked baggage on an airline. But you probably aren't paying enough — in fact, your baggage is bumping far more lucrative cargo.

Robert Siegel talks to Republican Sen. Jeff Flake of Arizona for his reaction to the State of the Union.

On Thursday, President Obama will sit down for a round of unconventional interviews with some unconventional questioners.

Robert MacLean gave a reporter information about U.S. air marshals being taken off flights to save money.

The NFL is investigating whether the New England Patriots deflated footballs and gained an advantage in the playoff game against the Indianapolis Colts last weekend.

Hundreds of kids in Nairobi protested the loss of their playground to a developer Monday. In the end, the children did what ordinary Kenyans are rarely able to do: defend a public space.

Medicare is giving hospitals financial incentives to provide better care. But so far about half of the hospitals that got incentive payments found them canceled out by other quality programs.