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Nanoparticles Are in Our Food, Clothing and Medicine -- And No One Knows for Sure How Dangerous They Might Be

Inside nanotechnology’s little universe of big unknowns.

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If you’re looking for stink-free athletic socks, maybe this is a good thing. But could that same process someday turn out to have some sort of nasty biological effect? We just don’t know yet.

“The fact that they re-cycle suggests they might persist for a long time,” Badireddy says as we watch the movie a second time. “They might enter the food chain. And then, who knows what will happen?”

For more on the topic, listen to the audio recording of the forum Orion hosted with Millar, a researcher, ethicist, and consumer advocate on the topic, here, which expanded on several themes Heather didn't have room for in this article. 


Heather Millar has covered science, health, and technology for twenty years, contributing to magazines such as  Sierra, Smithsonian , and  The Atlantic . She lives with her family in San Francisco.

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