The parasitic roundworm Strongyloides stercoralis crawls through contaminated soil in search of one thing – human flesh. Often no more than a millimeter in size, it’s currently estimated to be hanging out in the intestines of over 300 million people worldwide. How it finds us has a lot to do with the chemicals we’re giving off.

The parasitic roundworm Strongyloides stercoralis crawls through contaminated soil in search of one thing – human flesh. Often no more than a millimeter in size, it’s currently estimated to be hanging out in the intestines of over 300 million people worldwide. How it finds us has a lot to do with the chemicals we’re giving off.

The parasitic roundworm Strongyloides stercoralis crawls through contaminated soil in search of one thing – human flesh. Often no more than a millimeter in size, it’s currently estimated to be hanging out in the intestines of over 300 million people worldwide. How it finds us has a lot to do with the chemicals we’re giving off.&nbsp;

How Parasites Sniff Us Out | Orbitals 206

From antibiotic resistance to Roaring Twenties poisonings to body farms, you can find chemistry—and a good story—anywhere. Every month writer and host, Sam Jones, PhD, takes on a chemistry tale you didn't know you needed to know.

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How Parasites Sniff Us Out | Orbitals 206

How Parasites Sniff Us Out | Orbitals 206