Work on London's main Olympic site is progressing well. The 600-acre former industrial zone in east London that will become the focal point of the 2012 event has been transformed into Europe's biggest construction site. Steel for shoring up the massive new stadium's seating terraces is being installed. And work on the structure that will eventually support its roof is underway. But the progress masks concerns that the economic crisis will hit the world's biggest sporting event. As one member ...

The next time you land safely in Seattle, you may want to thank Steve Osmek. He's the wildlife biologist whose job is to make sure that birds don't get in the way of airplanes arriving and departing Seattle Tacoma International Airport. Even though the bird strikes that recently caused US Airways Flight 1549 to lose both engines and land in New York's Hudson River has brought greater urgency to the issue, the danger presented by avian life is nothing new ...