The cause of Meniere's disease isn't understood. One popular theory that hasn't been proved is that Meniere's disease appears to be the result of the abnormal amount of fluid (endolymph) in the inner ear. This often shows on autopsies, but it's not clear that it causes the episodes.
Ostrich wings apparently help the giant flightless birds run,explaining the puzzling phenomenon of why ancient dinosaurs evolved feathered limbsbefore developing flight.eeding them got them used tome as their mama.. After three years, when the ostriches were full-grown, thescientists video-recorded them as they raced down nearly 1,000-foot (300-meter)stretches outdoors. They found the ostriches used wings as sophisticatedair-rudders for rapid braking, turning and zigzag maneuvers.
The Biggest and The Fastest. The ostrich is the worldâs biggest and fastest bird. It is also a bird that cannot fly, but it can run very fast indeed - as fast as a car. Ostriches are found in the wild in deserts and savannahs. An ostrichâs wings are small, but its legs and neck are very long. Its long, thick, and powerful legs can cover great distances without much effort, and its feet have only two toes for greater speed.