After the S-shape curve of the country from north to south, Artisans of Leisure's private, custom Vietnam for Foodies tours take in cultural and gustatory attractions along the way.

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The concept (which other researchers proposed in the 1960s) holds that tumor growth generally follows an S-shape curve.

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The first bent trumpets were in the shape of a flattened S-curve, but they were soon made obsolete by trumpets whose tubing was fashioned into an elongated oval coil.

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Kent can look up actual crashes to plot the so-called crash pulse (the shape of a car's deceleration curve) and the places where a body made contact with the vehicle.

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Retail, historically a sleepy industry that has lagged the productivity curve, was basically slapped into shape during Wal-Mart's march to dominance in the 1980s.

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In the past a product's shape alterations would be hammered out by designers in a surface-modeling program, a tool that allows for easy curve design and concept change.

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