But frogs may yet hold clues to killing pain. At least one frog does deploy an opioid: the waxy monkey tree frog (Phyllomedusa sauvagii), whose skin is laced with the peptide dermorphin. Although the ...

The team sampled the frogs’ naturally occurring skin microbes and randomly assigned them to one of six experimental groups: the frogs’ skin microbiomes were either reduced with antibiotics, augmented ...

The species in this group include frogs, toads, salamanders, and newts. All can breathe and absorb water through their very thin skin. Amphibians also have special skin glands that produce useful ...