Special chemicals covering the skin of a tiny yellow-striped Amazonian frog provide a protective shield that wards off leaf-cutting ants allowing it to live comfortably among them. "It helps the frog ...

Certain tropical poison frogs excrete a lipophilic alkaloid on their skin that keeps yellow fever mosquitoes-a common vector of a wide variety of parasitic pathogens-from snacking on their blood. The ...

Special chemicals covering the skin of a tiny yellow-striped Amazonian frog provide a protective shield that wards off leaf-cutting ants allowing it to live comfortably among them. The ants do not ...