👉 In the context of science, "thyestean" refers to a type of biological organism that is found in certain species of marine life. These organisms are known as "thyestes," and their name comes from the Greek word "thyesis," which means "two." They have two hearts, one in each side of their body, and are able to breathe underwater using gills, which are similar to those in humans but with a smaller number of cells. The term "thyest