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These 600-Year-Old Chinese Surgical Instruments Are Coated in an Early Local Anesthetic—Carefully Extracted From a Poisonous Plant

Summary by Smithsonian Mag
Researchers say the numbing agent splashed onto iron scissors and tweezers during a procedure. They were found in a Ming dynasty doctor's tomb

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Smithsonian Mag broke the news in United States on Friday, May 29, 2026.
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