One can wonder on occasion how a discrete, self-contained piece emerged from what looks like a whirlwind of parts.
With a seemingly ever-expanding range of open access journals on ever more specialised subjects, one can wonder where medical publishing is heading and how this will impact the quality of the published literature.
One can wonder if the presently described redundant mechanism based on the recognition of LPS by TLR2,4 and of flagellin by TLR5 is operative in human cells.
In light of the high number of protein coding sequences that contain these rapidly evolving low-complexity repeats within eukaryote genomes and their potential mutagenic effect within their surrounding sequences, one can wonder about the extent of such instability, its impact on the coding sequence, and the intensity of selective pressures, if any, exercised on these regions.
Mr Balkenende talks of it, but one can wonder.
But one can wonder which plant has the better long-term future.
Given the primacy of tenure, one can wonder if the system offers the wrong incentives.
One can wonder how Dummett was able to pursue so many disparate interests to such great accomplishment in each.
"Something might have been possible, here one can wonder a bit, in effect," said Alain Bauer, a criminologist with the Conservatoire National des Arts et Métiers.
One can wonder why Balanchine chose music from "Don Sebastian," hardly a major Donizetti opera, but he made it an enjoyably goofy ballet.
"One can wonder if democracy can even function there," said Emilio Lamo de Espinosa, the director of a prestigious Madrid research group, Instituto Universitario Ortega y Gasset.
