A new study reconstructing the Arabian Peninsula’s ancient past adds clues to how early humans left the African continent.

That’s largely the case today, but 7,000 years ago the vast desert was an altogether different place: a verdant world of trees and rivers and home to megafauna such as hippos and elephants.

With the copper market soaring - a tonne of ore was quoted at nearly $10,500 on 7 March in London - Trafigura wants to consolidate its positions on the African copper belt, straddling the DRC and ...