"We can't teach the world about radiation," said Carolyn MacKenzie, an IAEA radiation specialist who helped develop the symbol, "but we can warn people about dangerous sources for the price of a ...

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 ...

A new radiation warning sign has been unveiled, but its macabre symbology should only be seen by those attempting to dismantle large sources. A new radiation warning sign has been unveiled, but it ...

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