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 ...

Wolfsbane residue on Ming dynasty surgeon’s tools may be oldest evidence of anesthesia

Researchers have identified 600-year-old surgical scissors and tweezers in what may be the world's oldest direct chemical ...

The poison that put patients to sleep: 600-year-old Ming Dynasty surgical tools reveal a forgotten secret

Before ether, before chloroform, before the entire modern architecture of surgical anaesthesia was built in the nineteenth ...