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.
Ostriches are large, flightless birds that have long legs and a long neck that protrudes from a round body. Males have bold black-and-white coloring that they use to attract females. Females, on the other hand, are light brown. Ostriches are bigger than any other bird in the world. They can grow up to 9 feet (2.7 meters) tall and can weigh up to 320 lbs. (145 kilograms), according to the African Wildlife Foundation, and an ostrich's eyes are 2 inches (5 centimeters) in diameter â the largest of any land animal.