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Articles on horseshoe crab

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Horseshoe crabs in spawning season at Reeds Beach, N.J., on June 13, 2023. AP Photo/Matt Rourke

Horseshoe crab blood is vital for testing intravenous drugs, but new synthetic alternatives could mean pharma won’t bleed this unique species dry

Horseshoe crabs play a unique role in medicine, but they’re also ecologically important in their home waters along the Atlantic coast. Can regulators balance the needs of humans and nature?

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