Is time an illusion?

The quest for a theory of everything – explaining all the forces and particles in the universe – is arguably the holy grail of physics. While each of our main theories of physics works extraordinarily well, they also clash with each other. But do we really need a theory of everyt ...  Show more

What’s the difference between a living collection of matter, such as a tortoise, and an inanimate lump of it, such as a rock? They are, after all, both just made up of non-living atoms. The truth is, we don’t really know yet. Life seems to just somehow emerge from non-living part ...  Show more

Can you slow down time by hurtling through space at breakneck speed? Could listener Saskia’s friend - currently one year older - end up the same age as her if he went fast enough? It sounds bananas, but it’s all part of Einstein’s mind-warping theory of relativity.With expert cop ...  Show more

Mind, matter, and everything - PART TWO

Can science ever solve the problem of consciousness? Do our methods look for answers in all the wrong places? Join Sean Carroll, Ellen Langer, and Tamar Gendler as they debate the possibility of science providing a ...

Is complexity the new frontier of physics? How should we approach metaphysical uncertainty? What makes a great Physicist? These are just some of the questions covered in this Win-Win episode with the incredible Sean Carroll. Sean is a theoretical physicist and philosopher who ...

Brian Greene is a Professor of Mathematics and Physics at Columbia University in the City of New York, where he is the Director of the Institute for Strings, Cosmology, and Astroparticle Physics, and co-founder and chair of the World Science Festival. He is well known for his TV ...  Show more