Both radioisotopes and enriched stable isotopes are essential to a wide variety of applications in medicine, where they are used in the diagnosis and treatment of illnesses. This report focuses ...

Some nuclei of certain elements decay radioactively into nuclei of different elements. These decays can be useful or annoying depending on the context. This is especially true for potassium-40. This ...

Brazil nuts are an especially nutrient-rich source of food: They contain important minerals like calcium and magnesium, essential amino acids and unsaturated fatty acids. Brazil nuts are characterized ...

Researchers have discovered an “unexpected” accumulation of the radioactive isotope beryllium-10, deep underneath the surface of the Pacific Ocean. The team hopes their discovery could serve as an ...

Lead rightfully has a bad reputation for contaminating soil and causing harmful health effects. But in the radiopharmaceutical industry, lead’s image is on the rise. In the past 3 years, several ...

NOTICE: The project that is the subject of this report was approved by the Governing Board of the National Research Council, whose members are drawn from the councils of the National Academy of ...