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The production of beige adipocytes following cold exposure is blocked as mice get older and leads to changes in the expression of metabolic genes.

In the rain forests of Hainan, China, two species of squirrel create grooves on the surface of smooth nuts so that they can wedge them in the forks between branches.

A subtype of myeloid monocyte mediates the transition from autoimmunity to joint destruction in rheumatoid arthritis.

Ecological associations among gut bacteria are largely consistent across hosts in a population of wild baboons.

Ring-like structures made up of caveolae appear to drive the development of membrane invaginations called T-tubules which are important for muscle contraction.

The rubella virus can interfere with fetal brain development by infecting immune cells called microglia during pregnancy.

Parasites can use extracellular vesicles and cellular projections called cytonemes to communicate with one another.

As a cell changes size during the cell cycle, why does its density remain constant?

Studying fossils from a mass-mortality event reveals evidence for sexual dimorphism and, unusually, equal numbers of males and females in a herd of dinosaurs.

A detailed study of the orphan receptor Nurr1, a regulator implicated in neurodegenerative diseases, reveals a new way for ligands to control their transcriptional activity.