One-quarter of the Chondrichthyes have an elevated risk of extinction, mainly as a result of overfishing.

The detection of low quantities of alkaloids in putatively nontoxic species of poison frogs sheds light on early evolutionary stages of chemical defense in animals.

Older people can recruit additional brain regions to help perform complex tasks, possibly compensating for age-related changes in other parts of the brain.

A large-scale transgenic resource enables live imaging, subcellular localisation and interaction proteomics of specific gene products of interest at all stages of Drosophila development.

Arabidopsis seed germination can be repressed by a Pseudomonas factor.

Analysis of data from monozygotic twins reveals that DNA methylation level in human blood cells is reactive to cigarette smoking.

Identification of distinct yolk sac-derived macrophage subpopulations in the fetal liver reveals their crucial role in shaping the hematopoietic niche, impacting erythropoiesis and granulopoiesis through direct interactions with long-term hematopoietic stem cells.

Electrical synapses determine the precise position of chemical synapses in the nervous system.

The polarity protein crumbs controls apical secretion and the architecture of the apical domain by modulating PI(4,5)P₂ levels and the organization of apical Rab6-, Rab11-, and Rab30-dependent trafficking.