The Volcanic Eruption Adventure

Why did T. Rex have such tiny arms? That’s what our listener Nora wants to know. We’re going to find out why the biggest, most powerful predator to ever walk the Earth did it with a teeny tiny set of arms. Scientists have been coming up with answers for this question for decades ...  Show more

In this final mailbag episode of Summer 2026, Marshall and Lindsay address two listener questions, and learn about a surprising twist of evolution. Plus, listener reviews and comments! To get an invite to the next Tumble meetup, as well as receive birthday shout outs and ad free ...  Show more

If you’ve ever thought the weather was difficult to predict, you should try Stephanie Grocke’s job—predicting volcanoes! In this episode, we hear about a seven-hour hike, cloudy days, and emergency evacuations. --- This podcast is brought to you by No Boundaries: 25 Women Explore ...  Show more

Hear from volcanologists about these stunning geological phenomena and the thrill of working in volcanic landscapes 

There are all kinds of volcanoes all over the world, but how are they formed? And how do they erupt? To find out, we’ll travel to the center of the Earth, and we’ll meet a NASA robot that’s going on a very special volcano mission. See omnystudio.com/listener for privacy informati ...  Show more

Have you ever wanted to see the awesome spectacle of an erupting volcano? There’s no better guide for such an adventure than JPL volcanologist Rosaly Lopes.