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Ricin

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Ricin

Ricin

Ricin

  • Download
  • <iframe src="https://www.npr.org/player/embed/907440/907441" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Traces of ricin — a deadly poison — have been found in London. And six men are under arrest, suspected of plotting to use the toxin. NPR's Richard Harris explains what ricin is and how it can be used in bio-terrorism.

Guest:

Richard Harris
*NPR Science Correspondent