BACKGROUND: We were concerned about the risk of inadequate humidification during
highfrequency percussive ventilation (HFPV). METHODS: We studied 5 humidifiers during HFPV …

We describe and document the physics packages in the legacy NASA/Ames Mars Global
Climate Model, present simulations of the seasonal water cycle and how it compares with …

Observations of Mars during 1996–1997 by the Hubble Space Telescope covered the entire
spring season in the northern hemisphere of Mars, which was favorably positioned for …

… Richard Whitley kindly provided rigorous editorial assistance to several drafts of the paper,
and the help of Ellen Jane Hollingsworth in every aspect of this paper has been indispensable…

… And Hollingsworth argues in this volume that a flexible social system form of production is
not likely to become pervasive in the American economy unless the national system of training…

We have previously described a mitochondrial activity that removes 5′ leaders from yeast
mitochondrial precursor tRNAs and suggested that it is a mitochondrial RNase P. Here we …

The Mars Color Imager on the Mars Reconnaissance Orbiter has observed a prominent
Fourier wavenumber-2 planetary-scale pattern in the north polar hood clouds that appears in …

… In the history of modern capitalism, there is a logic by which institutions coalesce into a
social system of production (Hollingsworth, 1991a, 1991b). This occurs-in part-because …

Urbanization contributes to the formation of novel elemental combinations and signatures in
terrestrial and aquatic watersheds, also known as ‘chemical cocktails.’ The composition of …

Formal subdivision of the Cambrian System into four series and ten stages is in progress. The
base of Cambrian Stage 3 (provisional), which is conterminous with the base of Cambrian …