- Scientists Discover Oldest Poison, on 60,000-Year-Old Arrows The New York Times
- Humans Made Poisoned Arrowheads Thousands of Years Earlier Than Previously Thought Scientific American
- The Poison-Arrow Technology of Our Hunter-Gatherer Ancestors Yahoo
- 60,000-year-old poison arrows from South Africa are the oldest poison weapons ever discovered Live Science
- Poison-Laced Arrows Date Back Tens of Thousands of Years Earlier Than Expected Gizmodo
