Giganotosaurus hunted Argentinosaurus in packs, stalking and felling the giant leaf-eater on the open savannah before ripping its flesh apart with serrated teeth eight inches long - teeth which protruded from a skull bigger in size than a modern-day bathtub.

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Meanwhile, Van Gogh, with a serrated beard and craggy eye, stands beside his mangled, bleeding ear.

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The basic design--a long piece of metal, with a serrated blade, attached to a handle--didn't change much for several millennia.

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Featuring a durable flat cord with a serrated finish, the MDR-XB60EX headphones are designed to reduce tangles by eliminating friction between cable surfaces.

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To serve, cut it into slices with a sharp serrated knife.

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The serrated bread knife cuts with a sawing motion instead of a downward force, keeping your sandwich from getting smooshed.

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My anxiety was not eased by the presence of steak knives with heavy wooden handles and sharp serrated blades, and a sort of diabolical trolley that was wheeled, steaming, to the table by a stout man with a pencil mustache who with the flourish of a gleaming knife indicated the meat and demanded to know where I wanted it carved.

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To the west are the saw-edges of glacier-encrusted rock and ice, serrated by more than 30 jagged peaks heavy with snow, the highest of which is 6, 768m-high Huascaran, the tallest mountain in the tropics.

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