The new symbol's macabre symbology of a skull and running figure is meant to alert anyone, anywhere to the potential dangers of being close to a large source of ionizing radiation. The symbol is ...

The old radiation symbol was certainly a timeless masterpiece of paranoid Cold War aesthetics, but it only makes sense if you already know what it means. If confronted with the relic of such a ...

Radiation Symbol (called a "trefoil") image: ... Nuclear radiation alters a nucleus' shape and size. It transforms nuclei of one type, or isotope, to another. Isotopes vary from one another by the ...

The U.N. nuclear watchdog introduced on Thursday a new radiation warning symbol showing emanating waves, a skull and crossbones, and a running person.

Vladimir Putin's recent threats of nuclear weapon use are deeply concerning. A nuclear war would have catastrophic consequences, both short and long-term, including radiation-induced cancers. However, ...