Dust from the Sahara Desert, once a massive lake, travels across the Atlantic Ocean. This dust, rich in potassium and iron from dead diatoms, fertilizes the Amazon rainforest. The Amazon River ...

Dust from the Sahara Desert, once a massive lake, travels across the Atlantic Ocean. This dust, rich in potassium and iron from dead diatoms, fertilizes the Amazon rainforest. The Amazon River then ...

Discover how Africa is combatting the encroachment of the Sahara Desert in this insightful video. - **0:00** Introduction - **0:46** The Sahel: Learn about this region's unique challenges and ...

Egypt's Whale Valley, or "Wadi Al-Hitan" in Arabic, holds more than 400 primitive whale skeletons that offer a snapshot of the evolution of these creatures from land-based to marine animals.