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The neurotransmitter acetylcholine influences how male finches perform courtship songs by acting on a region of the premotor cortex called HVC.

Mutations that allow tumors to evolve and become resistant to treatment can be readily identified with a new sequencing approach.

Interactions between immune cell receptors and proteins that determine disease susceptibility shed light on how different arms of the immune system are involved in three viral infections and Crohn's disease.

A group of cells that can become adipocytes controls the formation of blood vessels in the bone marrow, and also regulates the differentiation of resident mesenchymal progenitor cells.

Profiling the phenotype of 200,000 mutants revealed a new cofactor that may help a group of rod-shaped bacteria elongate and grow.

An multi-species approach can be used to identify small molecules with properties that might prove useful for the treatment of some neuromuscular diseases.

A long non-coding RNA called GRASLND is essential to help stem cells create stable cartilage.

A transcription factor helps young flies to sleep longer by delaying the maturation of a neural network that controls sleep.

A study of over 40,000 individuals suggests that carrying a small number of ultra-rare genetic variants is associated with a longer lifespan.

Two interpretations of similar structures for the same molecular machine illustrate the limits of inferring biochemical mechanism from protein structure.