Reviewed by Jennifer Robinson, MD on0/, 014. Weight cycling is losing weight and regaining it over and over. It's called yo-yo dieting when it happens because of dieting. Weight cycles can be big (50 pounds or more) or small (5-10 pounds).
Ostriches share the order Struthioniformes with the kiwis, and other ratites. It is distinctive in its appearance, with a long neck and legs and the ability to run at maximum speeds of about 70 km/h (45 mph), the top land speed of any bird. The ostrich is the largest living species of bird and lays the largest egg of any living bird.
In short bursts, a lion or a cheetah can overtake it. But an ostrich can motor for 10 miles straight at a steady 30 miles an hourâfaster than Lance Armstrong in a time trial.Research biologist Jonas Rubenson of Northeastern University is one of several scientists eager to find out how they make it look so easy.n short bursts, a lion or a cheetah can overtake it. But an ostrich can motor for 10 miles straight at a steady 30 miles an hourâfaster than Lance Armstrong in a time trial.