Can we defend the Earth from deadly space roc...

Daniel and Kelly answer questions about alternatives to the Big Bang, scurvy, and supercontinents.See omnystudio.com/listener for privacy information. 

Daniel and Kelly talk about the differences between conservation and rewilding, and discuss some of the successes, failures, and wild ideas that have come from the rewilding movement so far.See omnystudio.com/listener for privacy information. 

Space junk. It might sound like an out-of-this-world problem that we don’t need to worry about here on Earth – but is it? As we send more and more metal in the form of satellites up into space, scientists are warning it is becoming more of a risk both here – and up there. We dig ...  Show more

How much junk can we accumulate in Earth's orbit before we seal off our world? Before we cut the planet off from the cosmos and doom civilization to a new dark age? In this episode, Robert and Julie look skyward to space exploration's garbage.

Earth is our home, but how much longer can it remain so? In this episode of the Stuff to Blow Your Mind podcast, Robert and Christian explore the many threats to terrestrial habitability, from the cosmically distant to the frighteningly close at hand.

Life on Earth depends on the planet’s natural shielding, otherwise solar and cosmic radiation would ravage our small blue world. In this episode of Stuff to Blow Your Mind, sponsored by the National Geographic Channel’s series 'One Strange Rock,' Robert Lamb and Joe McCormick ...