The deserts of Saudi Arabia are home to a unique kind of treasure: caves and lava tubes. These natural formations were created by the intense heat from volcanic eruptions long ago. Today, these lava tubes offer insights into the lives of the early humans who managed to survive and thrive in this harsh landscape. Conducted by Griffith University's Australian Research Centre for Human Evolution (ARCHE), this remarkable research focuses on one such site, the Umm Jirsan cave. The study highlights new evidence of ancient human activities. It...