When the paleontologists first plucked a massive, scimitar-shaped bone from the desolate sands of the central Sahara in 2019, they didn't immediately recognize it for what it was. It took a return ...

Spanning the area from Senegal to Eritrea, situated between the Sahara to the north and the African tropics to the south, the Sahel region has long faced severe, complex security and humanitarian ...

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