The historian Procopius described how a creature called Porphyrios terrified sixth-century sailors for 50 years. But what was it? A sixth-century Byzantine mosaic depicts an amphibious monster—though ...
About 5,000 species of crustaceans in the order Isopoda live in Earth’s oceans. According to the National Oceanic and Atmospheric Administration, they all have two pairs of antennae, compound eyes, ...