Teeth are made of enamel, calcium, and other substances. This article defines key terms to help you understand how teeth fit ...

But in terms of the plumage, the soft tissues covering the body, it would have looked very, very birdlike." O'Connor is a dinosaur paleobiologist and the associate curator of fossil reptiles at ...

Mixed connective tissue disease (MCTD) is a complex overlap disease with features of different autoimmune connective tissue diseases (CTDs) namely systemic sclerosis, poly/dermatomyositis and systemic ...

The book Applied Channel Theory in Chinese Medicine 1 presents clear and detailed information from Dr. Wang Ju-Yi's long and ...