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Reporting in the journal Nature, researchers say they have created a functional liver using induced pluripotent stem cells. The team of scientists first created "liver buds" and transplanted those into mice, where the buds grew into tissue resembling the adult liver. Anthony Atala of the Wake Forest Institute for Regenerative Medicine, who was not affiliated with the work, describes what was done and whether whole, functioning, transplantable organs might be created in this way.

A new courthouse scheduled to open this week in Las Vegas is the first building to incorporate new architectural guidelines adopted after the bombing of the Alfred P. Murrah building in Oklahoma City in 1995. Noah talks to Mehrdad Yazdani, Director of Design at Dworsky Asscociates in Los Angeles, California, about the building.

Law enforcement is working to detect and prevent radical Islam in the U.S. NPR's Rachel Martin presents different perspectives on what prevention looks like.

The Bullitt Foundation's new Seattle headquarters, billed as the world's "greenest" building, is designed to be entirely self-sustaining. The developers hope it can inspire others to build this way.

In the week since the devastating earthquake in India, many have asked a familiar question: Why doesn't the government enforce earthquake building codes? Martha Ann Overland looks at corruption in the Indian construction industry.

NPR's Kathleen Schalch reports that President Bush has delayed a ban on road-building and most logging in a third of the country's national forests. The ban was put in place in the final days of the Clinton administration.

NPR's Richard Gonzales reports on efforts to improve the safety of development in fire prone areas. Regulations against building in high fire risk areas are most effective, but still pretty rare. In some communities, people and their neighbors, insurers and local officials have taken the task of "fire-proofing" into their own hands.

Farmers die by suicide at a higher rate than the general population. Midwestern states are training people who regularly interact with farmers to be a new frontline of defense against farm stress.

Despite arguments over effectiveness and cost, New Jersey has long practiced what is called “artificial beach nourishment”—importing and pumping tons of…

A new opera with libretto by Ben Katchor. Katchor is the creator of the comic strip, Julius Knipl, Real Estate Photographer. Like the strip, the opera springs from Katchor's fascination with the urban landscape - specifically, two different buildings and their very different inhabitants. The work is being performed by musicians from the New York new music collective called Bang on a Can, at the Massachusetts Museum of Contemporary Art in North Adams, Massachusetts, this weekend. Charlene Scott, of member station WFCR in Amherst, has the story.