The social relations model (SRM; Kenny, 1994) is a statistical model for studying interpersonal perception and behavior that can be meaningfully applied to the group therapy situation. It consists of four primary components that correspond to (a) the general emotional or attitudinal climate of the group, (b) the perspective of the perceiver providing the feedback, (c) the group's consensual vie...

We calculate the shift, due to interatomic interactions, of an optical transition in an atomic Fermi gas trapped in an optical lattice, as in recent experiments of Campbell et al. [Science 324, 360 (2009)]. Using a pseudospin formalism to describe the density matrix of atoms, we derive a Bloch equation which incorporates both spatial inhomogeneity of the probe laser field and interatomic intera...

NMR spectra of the non-exchangeable protons in 5S RNA from E. coli show the existence of two distinct conformers of the molecule which meet the operational definition of "A form" or native 5S RNA. Both are easily distinguished spectroscopically from denatured, "B form" 5S RNA. The conditions which interconvert the two A form conformers strongly suggest that the transition between them gives ris...

The dynamics of ethylene adsorption on the Si(001) surface was investigated by means of molecular beam techniques. A constant decrease of initial sticking probability s(0) was observed with increasing kinetic energy indicating a non-activated adsorption channel. With increasing surface temperature, s(0) decreases as well, pointing towards adsorption via a precursor state. Quantitative evaluatio...

The 13C chemical shifts of the primary visual photointermediate bathorhodopsin have been observed by performing double-quantum magic-angle-spinning NMR at low temperature in the presence of illumination. Strong isomerization shifts have been observed upon the conversion of rhodopsin into bathorhodopsin.

Vernalization is the process by which prolonged exposure to cold temperatures promotes flowering. Over the past century, this process has been studied extensively at the physiological level. Recent studies have provided some insight into the molecular basis of vernalization. The rich history of vernalization research has been discussed in detail in many reviews (Chouard, 1960; Lang, 1965; Berni...

Over the past few years electrochemical capacitors (ECs) or, as they are so often referred to today, superor ultracapacitors, have become increasingly interesting for a certain critical group of applications because of their unique attributes. The first of these EC attributes is exceptional power performance, even at very low temperatures. The second is an essentially unlimited cycle life when ...

H(2)S forms a rich variety of structures on Ag(111) at low temperature and submonolayer coverage. The molecules decorate step edges, exist as isolated entities on terraces, and aggregate into clusters and islands, under various conditions. One type of island exhibits a (√37×√37)R25.3° unit cell. Typically, molecules in the clusters and islands are separated by about 0.4 nm, the same as the S-S ...

Self-healing composites are able to restore their properties automatically. Impressive healing efficiencies can be achieved when conditions are favourable. On the other hand, healing might not be possible under adverse circumstances such as very low ambient temperature. Here, we report a structural composite able to maintain its temperature to provide a sustainable self-healing capability-simil...

Body size of diverse ectotherms is inversely related to developmental temperature in the laboratory. We monitored seasonal variation in wing length of two populations (Oregon, Washington) of D. subobscura, which was introduced in the Pacific Northwest in the late 1970s. Wing length varied seasonally and was shortest in summer. In Washington, however, wing length was longest in spring, not winte...