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Toxic plant on Ming dynasty-era surgical tools may be world’s oldest chemical evidence of topical anesthetic
An analysis of residue on centuries-old surgical tools reveals the use of a toxic anesthetic in Ming dynasty-era Chinese medicine.
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As of May 25, 2026 at 11:01 PM, this is how Optics News reads the wording differences in this story.
What happenedAn analysis of residue on centuries-old surgical tools reveals the use of a toxic anesthetic in Ming dynasty-era Chinese medicine.
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CenterToxic plant on Ming dynasty-era surgical tools may be world’s oldest chemical evidence of topical anesthetic
Live Science · Center · News report
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Ancient anesthetic reveals Ming China's sophisticated medicine
ancientrevealschinassophisticatedmedicine
Microscopic analysis of residues on surgical scissors and tweezers from a 1348–1411 CE tomb in Jiangyin, China, finds the first evidence for the controlled application of a highly toxic che...