Toads have dry, bumpy skin, while frogs have smooth ... with there also being major differences in their anatomy, habitats and offspring. Read on to learn more about what sets true toads apart ...

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 ...