For thousands of years, civilizations around the world have built houses out of earth – whether it be mud brick, wattle and dab or rammed earth. But adobe (the practice of making mudbricks) has now become today's "it" building material, from museums around the world designed using adobe, to do-it-yourselfers constructing homes from the very dirt beneath their feet. Correspondent Conor Knighton looks at the history of adobe, and how ancient adobe materials are being merged with 3-D printing techniques.
The twisty, crunchy, doughy treat is a tradition in Philadelphia, and the Center City Soft Pretzel Company churns out tens of thousands of pretzels a week. Correspondent Susan Spencer checks out their salty allure.
After industrialist Pierre S. du Pont bought a small farm outside Philadelphia to save its trees from being sold for lumber, he spent the rest of his life creating his dream oasis. Today, the 1,700-acre Longwood Gardens, recently expanded, continues its mission of providing "joy and inspiration to everyone through the beauty of nature, conservation, and learning." Jim Axelrod reports.
The French fashion house is today the world's largest luxury brand. "Sunday Morning" talks with artistic director Nicolas Ghesquière, who is shaping the future of Louis Vuitton by designing the unexpected.
