The presence of aromatic greens in with other building materials increased the time birds sat on their eggs, improving the health of the hatchlings.

Although highly controversial now, keeping orcas in captivity helped transform popular and scientific conceptions of the marine mammal from an unfeeling killer to a complex, intelligent animal.

In Chapter 15, author Jason Colby describes a scene of captive orca release and early research into the species' behavior and social organization

A junk mail filter can learn to pick out six behaviors of hydras by analyzing hours of video footage.

This is the first time the precise brain cells and their connections controlling a complex behavior have been worked out. 

The effects occurred after rodents consumed the chemical in levels 10- or 20-fold below the recommended daily dose for humans.  

New technology could open doors for researchers studying animals’ most complex organ.

Puerto Rico’s Cayo Santiago has hosted decades of research in cognition, primatology, immunization, and other areas.

Meet the people trying to save a research colony of rhesus macaques living on a small island off the coast of hurricane ravaged Puerto Rico.