6th millennium BC structure discovered in Saudi Arabia

In contrast to the prehistoric remains of the Near East, the megalithic monuments of Arabia remain largely unknown. These monumental structures, made of dry stone walls, still hold many secrets in terms of their construction, ...

Ethiopian dam spurs debate

The mud-coloured Omo River which snakes through green gorges, feeding lush vegetation and providing vital water to one of Ethiopia's most remote regions, will also power a contentious dam project.

It pays to pray

Pastoralists in rural Tibet who spend more time on religious activities earn more than their counterparts who pray less. This is the striking conclusion drawn by Wageningen University development economist Qin Tu.