Australian scientists discovered a new species of tree frog in a swampy rainforest in New Guinea.Details: Tree frogs are known for their green skin, but researchers encountered a species that had brown coloring, nicknaming it the "chocolate frog." The team named the species "mira" — which translate to "surprised" in Latin — because they were shocked to discover a relative of the common green tree frog, they told CNN.Stay on top of the latest market trends and economic insights with Axios Markets. Subscribe for freeThe scientists suggested that the fr...