"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 sticker."
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Video Editor: Petr Pavlicek
"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 sticker."