125,000-year-old poisoned stone points discovered on shore of ancient lake in Saudi Arabia

Key Points:

• Archaeologists discovered stone tools at a 125,000-year-old site in Saudi Arabia with chemical residues from a poisonous tree, potentially representing the world's oldest evidence of poisoned hunting weapons, predating similar finds in South Africa by about 65,000 years.
• The site, 'Uruq Aljelibah, was once a freshwater lake supporting diverse flora and fauna, including large animals like hippopotamuses and buffalo, which early modern humans likely hunted using complex tools combining stone, wood, plant fibers, resins, and toxins.
• The findings suggest sophisticated hunting technologies and resource use by early humans in Arabia, highlighting the region's role as a crucial corridor for human migration out of Africa during wetter climatic periods.
• While no human remains were found, researchers believe the tools were made by Homo sapiens, though the stone artifacts were surface-collected and their precise dating requires further excavation and analysis.
• Future research aims to uncover more fossils and refine understanding of the poison preparation and application, potentially revealing greater insights into early human technological complexity and adaptation in harsh environments.