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From January 15, 2009: A US Airways plane with 155 people on board ditched into a chilly Hudson River on Thursday, apparently after striking at least one bird upon takeoff from New York's LaGuardia Airport, according to officials and passengers.Another article from January 15, 2009: With both engines out, a cool-headed pilot maneuvered his crowded jetliner over New York City and ditched it in the frigid Hudson River on Thursday, and all 155 on board were pulled to safety as the plane slowly sank. It was, the governor said, "a miracle on the Hudson." One victim suffered two broken legs, a paramedic said, but there were no other reports of serious injuries.How does a wing generate lift? This is the most fundamental question we ask when learning about the science of flight, and yet there is much confusion around it. Many of the popular explanations of lift are just plain wrong. Let's clear them up!