Scientists have recorded same-sex behavior across many animal groups, including mammals, birds, and reptiles. Still, the meaning of that behavior depends on the species and the context. Behavior that ...

Neurobiology researchers Sam Golden and Nastacia Goodwin review light sheet fluorescent microscopy brain images revealing the activity of individual neurons during different behaviors. They are in a ...

Never underestimate the mind of a crow. Members of a family of birds that includes ravens, rooks, magpies, and jays, crows have been known to bend wire into hooks to retrieve food; drop nuts in a road ...