sahara

A Vast River Network Once Crisscrossed The Sahara

A Vast River Network Once Crisscrossed The Sahara

The Sahara is about the worst place on Earth to find water today, but that wasn’t always the case. Thousands of years ago, its sandy dune fields were lush and verdant. A new scientific paper helps explain why: the Western Sahara used to be irrigated by a vast river network.

NASA Satellite Visualises The Movement Of Dust From The Sahara Desert

NASA Satellite Visualises The Movement Of Dust From The Sahara Desert

Here’s an awesome 3D visualisation from NASA that shows how the Sahara Desert helps fertilise the Amazon rainforest even though they’re on two different continents that are separated by an entire ocean. The Saharan dust is carried over by wind and the phosphorous in the dust is essential to the…