Major teaching hospitals have the lowest mortality rate of all hospital categories, according to a new study conducted by Truven Health Analytics. But they also have significantly higher incidence of adverse patient-safety events and complications.
The turtle is often associated with myths of creation, in which it is seen as a support for the world: 1  In India, the earth rests on the backs of elephants, supported by the shell of a turtle. 2  In numerous North American creation myths, the turtle carries the world on its back.
Mollusks, also spelled as molluscs, are living entities characterized by the presence of a hard outer shell. This phylum encompasses some of the highly-diverse animal species in the world. Mollusks are invertebrate animals, meaning that they lack the vertebral column.