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Shapes: Streamlining (2x28)

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Miguel and Robin attach a speedometer on a bicycle so they and Paco can see how fast Paco can really ride his bike. Jackie meets with MIT engineers who built a streamlined bicycle, the longest in the world. ANIMATION: Laminar flow. At Miguel's house, Kathy tells Robin about the odometer on a bicycle. They decide one of them rides 2,000 miles a year on a bicycle. FILM INSERT: Streamlining isn't the only thing that lowers air resistance in high-speed travel. Robin and Kathy find the hole in Kathy's flat tire by putting the tire in a tub full of water. Miguel talks to Diane Green, a champion windsurfer, about sailboards. Green builds a sailboard herself and gets Miguel on another sailboard (temporarily). FILM INSERT: The streamlined shape of salmon and other fish, beavers, penguins, and dolphins. Robin and Kathy patch up the tire and test it in the tub. THE BLOODHOUND GANG: "The Case of X Marks the Spot, Part One." Vikki is entered in a village's ten-mile race. One of the runners, though, slips out of the track and enters an antiques store belonging to Vikki's friend Cece. When the race is over, Cece says someone has stolen the treasure map she had. ANIMATION: Drag. Miguel finishes installing the speedometer on the bicycle.