Skip to content

Video Library

“We don’t have enough knowledge to precisely calculate what is going to happen, and so we assign probabilities to it, which reflects our ignorance of the situation.”
Brian Cox obtained a first class honors degree in physics from the University of Manchester in 1995 and in 1998 a Ph.D. in High Energy Particle Physics at the DESY[…]
01:19:41 min
with

Popular
Learn from the world’s greatest thinkers
Explore our library of more than 2,000 interviews with some of the world’s best minds.

Explore our series
Check out our original series.

Recent Episodes
A silhouette of a person seated with blurred movement in the background and large text reading "KNOW YOUR EXIT" on the right.
Most people freeze in a crisis. Here’s why — and how to stop it
19 min
with
A human hand appears to hold a glowing celestial object surrounded by small planets and stars, creating the illusion of a miniature universe in the palm.
Brian Cox: The incomprehensible scales that rule the Universe
12 min
with
A note pinned to a wall with the words "1 Rule to Focus" in red, viewed through the crosshairs of a scope or lens.
The CIA method for making quick decisions under stress
13 min
with
A hand holding a fork is positioned toward a photo of Earth against a green background.
We have the tools to fix our food system. Why aren’t we using them?
20 min
with
A dinosaur stands in a field as a flaming asteroid falls from the sky; bold text reads "DON'T BE THE DINOSAUR.
Michael Watkins: You can’t afford to be a dinosaur
8 min
with
A lighthouse shines its beam at dusk with the words "HAPPINESS GUIDES" in large white text over the image.
We’ve been wrong about happiness. Here’s what philosophy says
5 min
with

Money makes us do things we wish we didn’t, but why is that? Behavioral economists and neuroscientists decode psychological dynamics resulting from 25 million years of human evolution — all so you can make smarter financial decisions.
Recent Episodes
How to stop fighting over money
6 min
with
How to fix your money trauma
7 min
with
If money doesn’t buy happiness, you’re spending it wrong
7 min
with
Change bad spending habits in 5 steps
7 min
with
Which “money personality” are you?
6 min
with
3 steps to cure your money anxiety
7 min
with
Curated Playlists
Explore our most popular collections of Big Think videos.