Season Three, Episode 3: On the Surface

In this season 4 finale, Gentry Lee and Rob Manning reveal how surprises, hidden flaws, and uncertainties have always been a part of rovers and the exploration of Mars. 

Aaron Yazzie and others explain how, by scooping dirt and drilling rocks, rovers are digging deeper into the mysteries of Mars. 

Encore episode. The surface of the Earth is constantly recycled through the motion of plate tectonics. So how do researchers study what it used to look like? Planetary scientist Roger Fu talks to host Maddie Sofia about hunting for rocks that can tell us what Earth looked like a ...  Show more

We are creatures of the epigean world: the world of light on Earth’s surface. But there is another world – a world beneath the surface. In this episode of Stuff to Blow Your Mind, Robert and Joe venture into the world of cave biology or biospeleology. (part 3 of 4)See omnystudio. ...  Show more

An expedition to Antarctica. Strange seismic readings. Clues to uncover a hidden part of our planet. For show transcripts, go to bit.ly/unx-transcripts For more, go to http://vox.com/unexplainable It’s a great place to view show transcripts and read more about the topics on our s ...  Show more

We are creatures of the epigean world: the world of light on Earth’s surface. But there is another world – a world beneath the surface. In this classic episode of Stuff to Blow Your Mind, Robert and Joe venture into the world of cave biology or biospeleology. (part 4 of 4, origin ...  Show more