Why Do Our Knuckles Crack?

3000 years is a long time. How do we know what was on the menu? And would we eat it today? Jorge talks to an archaeologist about ancient foods.See omnystudio.com/listener for privacy information. 

What happens to the things we remember when we can't remember them anymore? Jorge talks to two psychologists about the science of forgetting and the fascinating world of amnesia.See omnystudio.com/listener for privacy information. 

Some people can remember 100,000 digits of pi, or everything that's ever happened to them. How do they do it? And can anyone learn this skill? Jorge goes down memory lane to find out.See omnystudio.com/listener for privacy information. 

Does the Universe go on forever, or have an end? What shape is it?See omnystudio.com/listener for privacy information. 

Daniel and Jorge talk about whether our galaxy is in the middle of a giant void that could have fooled us into thinking the expansion of the Universe is accelerating.See omnystudio.com/listener for privacy information. 

<p>Nothing escapes a black hole … or does it? In the 1970s, the physicist Stephen Hawking described a subtle process by which black holes can “evaporate,” with some particles evading gravitational oblivion. That phenomenon, now dubbed Hawking radiation, seems at odds with general ... Show More

Daniel and Jorge venture to the edge of human knowledge about black holes, gravity and magnetic fields.See omnystudio.com/listener for privacy information. 

Daniel and Jorge talk about the mysterious mass of the neutrino and how we can measure it.See omnystudio.com/listener for privacy information. 

A black hole is so dense, its gravitational field prevents anything from escaping, including light. You would think that would make them the "blackest" things in the universe; how in the world do we know they are there? Dr. Andrea Derdzinski tells us about how we detect black hol ... Show More

It’s possible that the entire observable universe is inside a black hole. All we need to do to find out is … build a gigantic particle collider around the moon. Guest: James Beacham, particle physicist at the Large Hadron Collider at CERN For show transcripts, go to vox.com/unxtr ... Show More

<p>Today we dive into the world&apos;s shiny new space telescope - JWST. Learn why are physicists and astronomers are so excited about it, and what new secrets of the universe it might reveal. Keep your eye out for its launch later this week!</p><p><a rel="payment" href="https:// ... Show More