They shine in vibrant red, rich blue, or bright green—and with spots, stripes, or patches, they resemble small works of art by nature. But what appears so striking holds a surprising detail: The ...

An example of an oophaga pumilio, also known as the strawberry poision dart frog. Houstonians have lots of pets, and that goes way beyond the dogs and cats that most commonly live with us. Reptile and ...