Horseshoe crabs: ancient creatures that are medical wonders – CBS News
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Correspondent Connor Knighton visits a New Jersey beach along Delaware Bay to learn about horseshoe crabs, mysterious creatures that predate dinosaurs. Horseshoe crab blood itself has been shown to be essential to maintaining human health by helping detect bacterial endotoxins. He has spoken to environmentalists about the declining horseshoe crab population and to researchers who are pressuring the pharmaceutical industry to replace the use of horseshoe crab blood with synthetic alternatives used in medical tests.
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