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• 04:46 Popular

  Why do we harvest horseshoe crab blood? - Elizabeth Cox

  1,230 views / 1 likes - added 6 years ago

  Check out our Patreon page: https://www.patreon.com/teded View full lesson: https://ed.ted.com/lessons/why-do-we-harvest-horseshoe-crab-blood-elizabeth-cox During the warmer months, especially at night during the full moon, horseshoe crabs emerge from the

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