Zhenan Bao, a chemical engineer at Stanford University, is working to invent an artificial skin from plastic that can sense, heal and power itself. The thin plastic sheets are made with built-in pressure sensors.
Bao Research Group
Beverly Cleary, shown during a story hour in the park, was a children's librarian before she became an author. "Boys particularly asked: Where were the books about kids like us? And there weren't any at that time," she recalls.
Courtesy of HarperCollins
Teenagers sit on a new sign reading "Cidade Olimpica" (Olympic City) in Rio de Janeiro's port district last October. Ahead of this summer's Olympic Games, the port district is undergoing an urban renewal program. Ticket sales have been slow, and many Brazilians cite the poor state of the economy, which is in recession.
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