Trash to one is treasure to another To gain entry to cells, harmful mycobacteria recycle a protein the mammalian host has discarded. Biomedicine Fever-causing gene located Two research groups have identified the gene that causes Mediterranean fever. Nitric oxide gas shows promise in the treatment of sickle-cell disease. The chemical composition of tears and other eye fluids may help researchers understand the biochemistry of diseases. Understanding sand and other granular materials presents a host of scientific challenges.
Researchers ponder appropriate guidelines for research uses of tissue removed from a person's body.