A redox reaction network, comprising concurrent oxidation and reduction pathways, is described that can drive autonomous unidirectional motion about a C–C bond in a structurally simple synthetic molecular motor based on an achiral biphenyl.

Imidazole propionate produced by gut microbiota is associated with atherosclerosis in mouse models and in humans, and causes the development of atherosclerosis through activation of the imidazoline-1 receptor in myeloid cells.

Birds have evolved a unique sex chromosome dosage compensation mechanism involving the male-biased microRNA (miR-2954), which is essential for male survival by regulating the expression of dosage-sensitive Z-linked genes.

Data from nine European and North American countries reveal that the disparity in earnings between immigrants and natives is largely a result of segregation of immigrant workers into lower-paying jobs.