🖼️00Toxic plant on Ming dynasty-era surgical tools may be world’s oldest chemical evidence of topical anesthetic Latest from Live Science ·Kristina Killgrove·3 days ago#CSd8YoLD#livescience#surgical#china#world#first#anesthetic+2 more🧰Tag tools✨Add tagAn analysis of residue on centuries-old surgical tools reveals the use of a toxic anesthetic in Ming dynasty-era Chinese medicine.15s0Read later0Read More