Cancer clinicians should understand and consider the economic impact of new interventions, which often have substantial costs, according to a new report.

"TIGA," the new high-tech imaging center at the University of Heidelberg provides deep insights: a high-tech robot makes it possible for the first time to automatically reproduce and evaluate tissue slices only micromillimeters thick -- an important aid for researchers in understanding cancer or in following in detail the effect of treatment on cells and tissue.

Phenylketonuria is an inherited disease characterized by progressive mental retardation and seizures because the individual is deficient in the protein PAH.

Planetary geologists have determined that volcanism played a central role in forming Mercury's surface.

Thyroid cancer that has spread to distant sites has a poor prognosis, but an experimental drug that inhibits tumor blood vessel formation can slow disease progression in some patients, according to a study in the New England Journal of Medicine.