Radiation risk can be measured, understood and controlled in ways that keep people safe, including from contaminated foods.
Articles on Radionuclides
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Measuring the ages of planets and stars is tricky. An observational astrophysicist describes the subtle clues that provide good estimates for how old different space objects are.
A new process to quickly remove radioactive chemicals from water and other liquids and trap them in a clay-like substance could make nuclear waste management much easier.
Technetium-99m is the world’s most commonly used medical isotope, used for over 30 million medical diagnostic procedures annually. But recent years have seen severe worldwide shortages and price spikes…
