For so long as such differences remain unsettled, inertia may take hold.
On the other hand, the relative importance of total factor productivity (TFP) and human capital for explaining income differences remains an unsettled question.
It is still unsettled whether this depends on species differences or different body weights.
It remains an unsettled question whether there are systematic differences in the absolute content of nutrients and other substances of importance for health in foods that are organically or conventionally produced.
In the United States, cases in immigrants have remained relatively stable in recent years, but the following barriers to TB control remain: unsettled status and mobility of infected persons, differences in epidemiology, drug resistance, coinfection with HIV, complexity and costs of screening and treatment, and social stigmatization.
A maritime dispute was still unsettled, however.
Though you will still feel unsettled, sticking to a healthy routine can make a big difference.
To date, it is unsettled whether F-M coupling exists in vivo and whether such discrepancies are due to regional differences (sinoatrial node versus ventricle), species related differences (rabbit versus canine), or disease related modifications in F-M coupling (see [ 10, 11] for two recent reviews on this topic).
It is not so much of the difference in size scale as the contrasting views of the particulate and continuum, a unsettled debate since the days of Aristotle and earlier.
Behavioral research has shown that adult attachment style reflects profound differences in sensitivity to social signals of support or conflict, but the neural substrates underlying such differences remain unsettled.
