Deserts And Their Surprising Secrets The Sahara Was Once Green And Singing Dunes

What was the name of the ancient Saharan mega-lake that was once larger than the Caspian Sea?

What type of animal fossils did paleontologists discover in Niger, proving the ancient Sahara was once full of water?

How long ago did the last African Humid Period, which transformed the Sahara into a grassland, come to an end?

Dust from the dried-up basins of the Sahara Desert is carried by wind to fertilize which major ecosystem?

Which modern African country contains the 'Cave of Beasts,' famous for prehistoric rock art showing swimming figures?

What prehistoric human activity is depicted in Saharan rock art, proving the green Sahara supported communities?

What planetary cycle periodically triggers the greening of the Sahara Desert?

How does a stronger West African monsoon affect the Sahara Desert?

Would you rather live in a lush ancient Sahara or today's dry desert?