Why danger symbols can’t last forever
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Chances are you wouldn’t be able to recognize a biohazard even if you were looking right at one. But the biohazard symbol? It’s pretty easy to spot. Vox investigates the staying power of one of the most recognizable icons on the planet.
What symbols have experienced a change in meaning over time?
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TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
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- Video created by Vox
- Lesson Plan created by Lauren McAlpine
