🦛 The Sahara Desert was once GREEN—and hippopotamuses lived there!
Thousands of years ago, parts of the Sahara were filled with lakes, rivers, grasslands, and wildlife. People fished, raised cattle, and lived beside enormous bodies of water in places that are now some of the driest on Earth.
So what happened to the Green Sahara? And could the desert ever become green again?
In Episode 175 of Believe It or Not!, Bryan explores the incredible science and history of the African Humid Period, when ancient climate changes transformed northern Africa.
Discover how Earth's slow orbital cycles influenced the African monsoon, why the Sahara's lakes eventually disappeared, and what archaeologists uncovered at Gobero—including a young girl buried thousands of years ago wearing a bracelet made from hippopotamus ivory.
And prepare for three unbelievable WOW Facts:
🦛 An ancient lake larger than today's Caspian Sea!
🌎 Saharan dust that helps feed the Amazon rainforest!
🐊 Crocodiles still surviving in isolated Saharan pools!
Plus, enjoy our True or False quiz, a multiple-choice science challenge, and a question that turns YOU into a climate detective.
🎧 Believe It or Not! is a fun, fact-filled educational podcast for kids ages 7–12, families, and teachers. Explore true stories about science, history, geography, nature, and the world's greatest mysteries—all through exciting storytelling.
NEXT EPISODE: Who invented the Buffalo wing? 🍗 Two kitchens, two stories, and one delicious mystery!
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Keep wondering, keep learning, and remember… sometimes the truth is weirder than fiction!