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• s  curved into a half circle

• The vestibular system in the inner ear is made up of three semicircular canals and two otolith organs that continuously send messages to the brain about the head's rotation and .
• But those early parks tended to be melancholy stretches of concrete with a few bowls and half pipes--that's a semicircular ramp--thrown in.
• Volf had observed that deaf people without semicircular canals seem to have no difficulty in balancing themselves, that many had become outstanding dancers.

News & Articles

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• Hotels Race to Create the Best Suites | wsj.com
  IN THE QUARTERS at the top of a Victorian-era building overlooking London's Thames River, no detail has been overlooked. The two-bedroom, duplex space has bathrooms clad in honey-colored onyx and Skyros marble, with shelves lined in leather. There is a semicircular living room, a walk-in wine cellar and a spa suite. If stairs are not your thing, an elevator will gently lift you to the upper level.
  Aug. 27, 2013 - Hospitality Net