21. However, the removal of the major flakes can be unipolar , bipolar or centripetal. 22. In contrast to Type I cells, they are unipolar and unmyelinated in most mammals. 23. Affective disorders such as unipolar mania or bipolar disorder can involve euphoria as a symptom. 24. It would behoove Americans to stop acting and talking as if this were a unipolar world. 25. Depression, either unipolar or as part of bipolar disorder, is an especially common cause. 26. The highest wages go to celebrities; here the simple unipolar measurement of class becomes ridiculous. 27. :Just a niggle, but isn't a unipolar signal just 0 or 1? 28. If a unipolar world were unavoidable, many countries might prefer the United States as the hegemon. 29. Nobody wants to live in a unipolar world, nobody wants the diktat of a single power, 30. In fact, a unipolar world brings with it a new kind of threat to weaker nations.