https://www.profitableratecpm.com/f4ffsdxe?key=39b1ebce72f3758345b2155c98e6709c
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 chemical as anesthetic, highlighting the sophisticated medicine of the Ming dynasty.
