After a nuclear or radiological accident, knowing who has been exposed to radiation—and how much—can save lives. But ...

Researchers at the National Institute of Standards and Technology (NIST) have unveiled a groundbreaking method for rapidly detecting and measuring radioactivity in minuscule samples. The technique, ...

In this lesson, students will investigate the nature of radioactivity and the effect of both distance and shielding materials on different radioactive sources using a Geiger-Muller tube with a counter ...

What is dark matter? What are neutrinos all about? How do stars work and what was actually going on in the universe in the first minutes after the Big Bang? To answer these questions, you need very ...

Natural radiation from space can interfere with measuring radioactivity in scientific samples. The IAEA built an underground lab to minimize this interference and allow precise measurements. In Monaco ...

Radiation safety experts from the Tokyo Electric Power Company (TEPCO) in Japan visited two IAEA laboratories in Vienna and Seibersdorf, Austria and learned about the IAEA’s upgraded techniques for ...

SINGAPORE – A tub of soil, a container full of crushed vegetation and a bottle of clear liquid were part of a package of items sent by the UN atomic watchdog to Singapore in 2025. These items had ...