Bringing a shark to a knife fight: 7,000-year-old shark-tooth knives discovered in Indonesia

Excavations on the Indonesian island of Sulawesi have uncovered two unique and deadly artefacts dating back some 7,000 years – tiger shark teeth that were used as blades. Join this channel to get access to perks: https://www.youtube.com/channel/UC8mx4kL3NIo4SZCuKVhxxUA/join Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use. ---------------------------------------------------------------------------------------------------------------------------