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 ostrich is the largest known bird â and one that can run up to 40 mph and has a kick powerful enough to bend steel rods â but it does not bury its head in the sand as a defense mechanism. When threatened, along with running and kicking, these creatures do try to hide, but they do so by laying flat on the ground.