The Earth's Core

Misha Glenny and guests discuss the origins and evolution of an alliance which transformed the geopolitics of the classical world: the Delian League. Since the start of the 5th Century BCE, city states across Greece had been fighting a series of armed conflicts in the Greco-Persi ...  Show more

Misha Glenny and guests discuss one of the towering figures of Brazilian and world literature, Machado de Assis (1839 - 1908). He was the descendant of slaves and built his career while slavery was still in place in Brazil (abolished 1888) and many of his characters were from the ...  Show more

What happens if Earth’s core is slowing? Neil deGrasse Tyson and comedian Chuck Nice explore the spinning of Earth’s core, the physics of tire pressure, and the science of toast.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 
https: ...

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 ...

Much like the plot of the 2003 disaster film, The Core, the rotation of Earth’s inner core is changing. But unlike the movie, this change is very subtle. What exactly makes up the Earth’s core? And how significant is its rotation change? Swarthmore College Professor of Astronomy ...  Show more

Like an onion, the Earth has layers. In this episode we’ll see if you can dig through those layers to get to the center of the planet. We’ll also hear about the Danish scientist who discovered more about Earth’s core by studying earthquakes. Plus, we investigate the phrase “dig a ...  Show more