For example, the linguist Chris Barker has observed that many of the utterances we make play the role of shifting the meaning of a term.
If indeed relevant, both of these scenarios would point to a role of shifting selection pressure, in the changing trends in charge following 1987.
Although the role of shifts in dominant frequency cannot be excluded, the observed differences are small (between 20 and 40 Hz) in comparison with the 20 dB difference in intensity.
Finally, considering the null findings in this British study and the modest association in the meta-analysis, further research into other possible explanations for an association between shift work and breast cancer, such as residual confounding (33) and other putative mechanisms, is warranted including, for example, the roles of shift-work-associated sleep disturbance and lifestyle changes (34).
In previous studies, we have highlighted the potential role of a shift in the circulating clade of DENV-3 from genotype IIIA to IIIB in this sudden emergence of severe disease in 1989 (7 ).
Research budgets shrink, and the role of innovator shifts to the companies at the core of the Windows-based PC market: the chip maker Intel and the operating system giant Microsoft.
This situation is changing the role of identity, shifting it away from pure access management to a foundational layer of the modern IT security stack.
As tissue repair progresses, the role of myofibroblasts shifts from creating a scaffold for healing into facilitating wound contraction and closure [16].
Finally the origin and the role of phase shifts between oscillations normal and parallel to the contact surface is clarified with respect to the mode-coupling instability.
The main basis for the controversy has been the disagreement over the level of specialization in these plant pollinator interactions and the role of pollinator shifts versus coevolution in shaping traits (Wasserthal 1997; Whittall and Hodges 2007).
