Mosquitoes in the genus Aedes, which carry viruses causing yellow fever, chikungunya and Zika, invaded the crossroads of the Americas multiple times, by land and by sea.

What slows or stops a disease epidemic if the pathogen is still present? It appears that wild frogs are becoming increasingly resistant to the chytrid fungal disease that has decimated amphibian populations around the world.

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.