A new study has found a link between chronic cannabis use − including in edible form − and an increased risk of cardiovascular disease that's comparable to the effects of smoking tobacco. The study ...

New findings highlight the pioneering role of human groups who lived in the interior of northern Arabia shortly after the hyper-arid conditions of the Last Glacial Maximum (LGM), guided by the return ...

Tens of thousands of years ago, there was water in the Nefud Desert of modern-day Saudi Arabia. The pools were seasonal and scattered across the arid landscape, allowing humans that called the region ...