Photoassociation is the process in which two colliding atoms absorb a photon to form an
excited molecule. The development of laser-cooling techniques for producing gases at ultracold …

Nitrogen-fixing rhizobial bacteria and leguminous plants have evolved complex signal
exchange mechanisms that allow a specific bacterial species to induce its host plant to form …

This article's aim is to review the literature on racial and ethnic disparities in breastfeeding
rates and practices, address barriers to breastfeeding among minority women, conduct a …

Pores of molecular dimensions can adsorb large quantities of gases owing to the enhanced
density of the adsorbed material inside the pores 1 , a consequence of the attractive …

Background The effectiveness of surgery versus observation for men with localized prostate
cancer detected by means of prostate-specific antigen (PSA) testing is not known. Methods …

Intersubject variability and subtle differences in experimental design can lead to variable
results in studies of cognitive processes such as reading. To accurately identify the neural …

Background We previously found no significant differences in mortality between men who
underwent surgery for localized prostate cancer and those who were treated with observation …

The ciliate Tetrahymena thermophila is a model organism for molecular and cellular biology.
Like other ciliates, this species has separate germline and soma functions that are …

The niche is a conserved regulator of stem cell quiescence and function. During ageing, stem
cell function declines. To what extent and by what means age-related changes within the …

Background Traumatic brain injury (TBI) and spinal cord injury (SCI) are increasingly recognised
as global health priorities in view of the preventability of most injuries and the complex …