Two research groups demonstrate that in Caenorhabditis elegans, behavioral traits can be passed down through the germline to future generations, even though they aren’t hard-wired.

Two clinical trials that altered vasopressin signaling report improved social functions in people with autism spectrum disorder, but researchers caution against overinterpreting the results.

For primates, males’ fancier ornaments are linked with smaller testes, according to a new comparative study.

The familiar word elicits a twitch of the ears or swish of the tail, suggesting felines can distinguish their names from other words.

Researchers have recorded tens of thousands of brain cells in mice as the animals transitioned from feeling thirsty to quenched.

Some individuals sleep just minutes a day. And keeping flies awake does not have untoward effects on longevity.

Researchers record neurological changes in a region called the mushroom body in the brains of bees completing a maze in a virtual environment.

Froghopper insects gain traction on smooth plant leaves by piercing them with tiny spikes.

Fluoxetine dampened stress responses in zebrafish embryos exposed to the drug—and their descendants.