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Exposing chicks to one hour of light during the night disrupts the releaseof a hormone that is needed by cells in the developing brain to survive.

Experiments on zebrafish show that the regeneration of the heart after an injury depends on lymphatic vessels.

The activation mechanism of the nitric oxide receptor has been revealed by cryo-electron microscopy.

A combination of invasive and non-invasive techniques has allowed researchers to take a closer look at the two major neural pathways that connect the amygdala and the prefrontal cortex.

Microscopic water films allow bacteria to survive the seemingly dry surface of plant leaves.

A lexicon to help scientists and philosophers discuss the meaning of function in molecular biology more clearly is proposed.

Early career researchers commonly peer review manuscripts on behalf of invited reviewers, often without receiving feedback or being named to the journal.

The way that bacteria grow—either floating in liquid or attached to a surface—affects their ability to evolve antimicrobial resistance and our ability to treat infections.

The natural world is more complex, and also more fragile, than it appears.