A fish-derived bile salt was shown to act as interspecific infochemical, inducing the widespread predator avoidance behavior diel vertical migration at picomolar concentrations in freshwater zooplankton of the genus Daphnia.
The ectodomain of the human polymeric Ig receptor maintains a closed triangular shape that binds and excludes bacteria in mucosa, or opens to bind and transport polymeric Ig ligands across epithelial cells.
The spatial interactions between humans, large carnivores and herbivores cascade down in a complex but predictable way to lower trophic levels affecting regeneration of tree species in a temperate forest.
A rigorous and transparent evaluation of mesenchymal stem cell therapy for sepsis suggests it may be efficacious, although the strength of these findings is tempered by threats to validity in the studies that were included.
Height in early adulthood is an indicator that integrates across different dimensions of sustainable human development with links to health and longevity, nutrition, education and economic productivity.