Residues found on ancient arrow tips show poison use goes back much further than thought.

Sixty thousand years ago, hunting wasn’t just about strength or sharp stone—it was about chemistry. Scientists analyzing tiny residues on ancient stone points found something that changes the timeline of human ingenuity: evidence of poison use that far back in the past.
The artifacts come from Umhlatuzana Rock Shelter in South Africa, and the chemical traces point to plant-based toxins applied to arrow tips. The research was published in Science Advances in January 2026.
It suggests early humans weren’t only making projectiles; they were engineering slow-acting effects that helped them bring down larger animals and survive in tough conditions.








