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 like to live in groups, which helps with defense. In spite of what you might have heard, the ostrich does not hide its head in the sand. To avoid being seen, ostriches lay their heads on the ground. Ostriches are really big. They can be up to 9 feet tallâ¦which is about the height of two eleven year old kids standing one on top of the other and can weigh as much as 290 lbs - almost the weight of two adults put together. The Ostrich mainly eats grubs and insects often found in the ground.