Several people hunched over seafood and beers around the semicircular bar, and only a few tables upstairs were occupied.

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Light streams through semicircular lantern windows on four sides, illuminating the square floor plan supported at the corners by white Corinthian columns.

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On a recent visit, each secluded semicircular booth enclosed a clutch of starlets, up-and-coming-models, or shaggy-haired indie rockers talking business over multiple mimosas.

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There are three bony loops in your inner ear, called semicircular canals, arranged perpendicular to each other to measure movement in three dimensions.

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The measurements, translated to electrical impulses, would be delivered to the three vestibular nerves that emanate from the three semicircular canals, much like audio signals are delivered to the auditory nerve in cochlear implants.

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Because each semicircular canal has its own nerve, a vestibular implant may actually be easier to perfect than a cochlear implant, which has to deliver many different sound frequencies to a single, bundled auditory nerve.

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Because of a punning coincidence between his name and "nieve, " the Spanish for "snow, " Neve commissioned Murillo to paint two lunettes, semicircular murals depicting the founding in Rome of Santa Maria Maggiore the legend that the Virgin appeared to a Roman patrician in a dream, and told him to build the church on a hill where he'd find snow in August.

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Above the factory floor, the semicircular gallery of the museum showcases the evolution of the Ducati motorcycle from the early days just after World War II, when the company introduced its first auxiliary bicycle engine (called the Cucciolo, or "puppy, " because of the distinctive barking sound it made), up through the company's first motorcycles in the 1950s and the road bikes and racing bikes that followed.

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