The ionizing radiation symbol, featuring three curved blades emanating from a central point, has been used since 1946 to warn workers, scientists and the public of the presence of radioactive material ...

This story originally appeared in The Bulletin of the Atomic Scientists and is part of the Climate Desk collaboration. When a massive earthquake followed by a tsunami hit Japan a decade ago, the ...

A skull and crossbones, a running person and radiating ionizing waves, all on a deep red triangle, joined other more common warning symbols today as part of a United Nations effort to reduce needless ...

If you would like to learn more about the IAEA’s work, sign up for our weekly updates containing our most important news, multimedia and more. The ionizing radiation symbol, featuring three curved ...