A novel gene delivery system taps a protein found in people to encapsulate messenger RNA and transport it into cells.

Thousands of protein-protein interactions mapped in mice reveal how these networks shift across seven kinds of tissue.

A new technique can reveal where thousands of neurons send their axons — and measure the cells’ RNA levels for dozens of genes at the same time — in the mouse brain. It could be used to profile neural circuits underlying autism.

Thanks to a new engineered protein for optogenetics experiments, researchers can stimulate neurons with less light than usual and avoid damaging brain tissue.

Researchers say they can synchronize two new devices and control neurons across 256 freely moving animals at once to study social behaviors.

A new miniature iteration of a popular probe enables researchers to record activity at thousands of sites across the mouse brain and track the activity of individual neurons over months — providing long-term recording at an unprecedented scale.

An animated mouse reenacts common behavioral experiments and can be used to train algorithms that automatically track lab animals’ movements.