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.
Male ostriches have black feathers and female ostriches have gray and brown feathers. Both males and females have white feathers on their wings and tails. Male ostriches can be 1.8 - 2.7 meters / 6 - 9 feet tall, while female ostriches are 1.7 - 2 meters / 5.5 - 6.5 ft tall. They can run with a speed of about 65 kilometers per hour/40 miles per hour. Habitat. Ostriches now only live in Africa. They live in open grassland called savannas in the Sahel, and in parts of East Africa and south-west Africa. Some ostriches live in areas of the Sahara desert. There used to be ostriches in Middle East in the 20th century and, further back, also in Asia.