For at least 150 years, we know that traumatic brain injury can change several domains of behavior, impairing social behavior or memory, for instance, depending on which brain areas have been damaged. However, mapping the relation between brain areas and behavior can be tough, especially for complex behavior such as altruism. In this study, war veterans with brain lesion were studied to elucidate causal relationship between how specific brain areas are involved in social behavior.

Predatory bats learn both from other members of their own species and from other predatory bat species.

Diving down below the range of scuba in the Curasub, Smithsonian deep reef explorers discovered a new world where roughly half of the fish had no names. They are calling it the rariphotic.

Earliest evidence that Mayas raised and traded dogs and other animals-probably for ceremonies-from Ceibal, Guatemala. Published in the Proceedings of the National Academies of Science.