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An artificially evolved ribozyme can catalyse the synthesis of RNA by using trinucleotide triphosphates as building blocks.

A simple label-free method uses the electrical properties of cells to detect how ligands bind to membrane proteins.

In zebrafish larvae, it is the cell type that determines how the cell responds to a chemokine signal.

X-ray crystallography has been used to observe the synthesis of RNA in the absence of enzymes with atomic resolution.

An improved dual-color reporter reveals how the fate of latent HIV-1 depends on where it integrates in the human genome.

The IFNλ family of interferons controls the spread of viruses in the upper respiratory tract and transmission between mice.

A compound can change the activity of NMDA receptors in some regions of a synapse without affecting those in other regions.

Genetically engineered pigs that digest their food better could help to reduce phosphorus and nitrogen pollution.

Structures known as chromocenters, comprising satellite DNA and proteins such as D1 or HMGA1, help to contain DNA inside the nucleus between cell divisions.

Experiments have shed new light on the development of the spine in zebrafish.