The first large-scale computer screenings of Chinese herbs -- commonly used in traditional Chinese medicine -- has revealed a wide variety of compounds with potential for use in treating HIV/AIDS, cancer, Alzheimer's Disease, arthritis and other diseases, according to scientists in London.

Scientists have revealed the intricate structure of cartilage in what they hope will provide clues to how the crippling joint disease osteoarthritis might one day be treated.

The surprising structure and properties of a protein responsible for regulating the transport, storage and use of iron - as it binds its target RNA - are described by researchers from the University of Illinois.