Big Think

The hard problem of consciousness, in 53 minutes

“Our conscious awareness is everything. And the fact that it’s still so mysterious to scientists and to all of humanity, the fact that it’s still one of the great unsolved mysteries makes it something that everyone can be excited about and that inspires awe in everyone.”

Making a distinction between consciousness and thought is important because consciousness, in the sense that I'm interested in, in the sense that it's a mystery, can exist without thought. It can exist in a pure felt experience. It could exist in a very simple organism that is not capable of thought.

Science shows curiosity is at the heart of great dates—and lasting love

In this excerpt from The Intimate Animal, Justin Garcia shows why curiosity and self-disclosure — not attraction alone — help build intimacy and sustain it over time.

The deep history of AI began 3,000 years ago

AI is not a rupture in history, but a continuation of intelligence emerging where information becomes systematically arranged.

Which of the 5 philosophical archetypes best describes you?

I’m definitely a Kitsune, but would a Kitsune actually say that?

How a small shop in Kyoto connects mastery with meditation
What 150-year-old Japanese workshop Kaikado can teach us about finding calm through focus in an age of distraction.

Eric Markowitz

A craftsman hammers metal on a wooden block; beside him, a cylindrical copper container—showcasing Kaikado mastery—rests against a green background.
Black text on a light background reads "Explore our LIBRARY" with "Explore" in large font and "our LIBRARY" in smaller, uppercase font underneath.

What would you like to learn more about? We have thousands of videos from the world’s biggest thinkers to help you dive deeper into any subject.

Pause the busyness of life to reflect on ourselves, our relationships, and the Universe.
A person in white clothing is partially emerging from a wooden coffin, one hand gripping the lid and the other reaching out, evoking a sense of nostalgia for stories of the past. Buried alive, leeched, and attacked with a poker: The dark history of nostalgia “cures”
Today, nostalgia is somewhat kitsch. Back then, it was something to be feared.
Two people sit on white chairs facing each other, both smiling and dressed formally, on a brightly lit stage with a blue and white background. The Oprah Rule: What everyone wants you to say in a conversation  
People don't want you to buy their stories — they want you to listen to them.
Person wearing a Santa Claus suit rakes sand in a purposeful pattern, resembling a Zen garden, against a beige background. All I want for Christmas is a sense of purpose
Santa's done really well this year.
Intimate interviews with the world’s biggest thinkers.
A man with curly hair, a beard, and glasses, wearing a green button-up shirt, gestures with his hand against a plain white background.
22mins
Thinking too logically can actually hold you back
"Rationalism is the idea that, in order to truly know something, you have to be able to describe it explicitly."
A lone silhouette of a person stands in a hazy, grainy environment, surrounded by darkness and indistinct shadows.
8mins
What nihilism acknowledges that other philosophies don’t
"The thing that the nihilist recognizes is that the values he or she holds are not grounded in anything other than their own preferences."
Bald man wearing glasses and a dark suit jacket sits against a plain white background, looking slightly to the side with a neutral expression.
25mins
The computing revolution that secretly began in 1776
"In the process of mapping the heavens, it doesn't take long to realize the data problem they generated."
An older man with glasses and a light blue shirt sits and smiles while raising his hand with fingers spread, in front of a plain white background.
18mins
Why modern fitness culture misunderstands human bodies
"It's this modern idea of doing voluntary discretionary, physical activity for the sake of health and fitness."
The Universe is out there, waiting for you to discover it.
einstein Einstein the “lone genius” is a complete myth
Even the most brilliant mind in history couldn't have achieved all he did without significant help from the minds of others.
A luminous dying sun with jets and swirling clouds appears at the center of a dark background, encircled by concentric patterns—an image reminiscent of Hubble’s stunning cosmic view. Last gasps of dying Sun-like star captured by Hubble
Before Sun-like stars die, they transition from AGB red giants into preplanetary nebulae. Here's how Hubble sees the famous Egg Nebula.
Silhouette of NASA's Europa Clipper spacecraft with antennas poised against a colorful planetary surface, sparking dreams of alien life. All claims of extraterrestrial life must pass these 7 hurdles
No claim has even made it halfway up the Confidence of Life Detection (CoLD) scale, but 21st century science is just beginning to unfold.
Side-by-side comparison of the Pillars of Creation in space, showing Hubble's visible light image and JWST's infrared image. Labels indicate "Hubble (Visible)" and "JWST (Infrared)". Starts With A Bang Podcast #126 – The origin of dust
Here in our modern Universe, it's cosmic dust that forms planets, complex molecules, and enables life. But how did the Universe create it?
Big ideas. Thoughtful conversations. One book at a time.
A book cover titled "The Laws of Thought" by Tom Griffiths appears next to the phrase "an excerpt from" on a split lavender and beige background. The man who transposed human thought into algebra
In this excerpt from The Laws of Thought, Tom Griffiths shares how George Boole developed a mathematical theory of logic.
A book cover with colorful shapes set against a mysterious Dark Forest backdrop. How the “dark forest theory” helps us understand the internet
Writer and media theorist Bogna Konior connects cosmos and computer by reconsidering our eerily silent Universe.
The word "chaos" is repeatedly written in orange over a beige background, with a large, rough black scribble overlaid in the center. The profound life lesson at the heart of chaos theory
In this excerpt from Think Like a Mathematician, Junaid Mubeen explains how tiny actions can shape complex systems, revealing the limits of prediction and control in our lives.
A woman in a light pink dress sits indoors sewing, surrounded by soft furnishings, with a blue-white chalk circle drawn around her upper body. The “flow world” shows us that meaning is about being present, not achievement
In this excerpt from How to Live a Meaningful Life, Bill Burnett and Dave Evans discuss how flow transforms ordinary moments into deeply human experiences.
Learn business from the world’s biggest thinkers.
Book cover of "No Fear No Failure: Five Principles for Sustaining Growth Through Innovation" by Lorraine H. Marchand with John Hanc, published by Columbia Business School—fostering an emotional connection to inspire lasting growth. The key to understanding what clients really need
Why the link between understanding customers and retaining them is forged from emotional connection.
Book cover for "AQ: A New Kind of Intelligence for a World That's Always Changing" by Liz Tran, featuring a beautifully blurred hummingbird. The Agility Quotient: Why we need to move on from IQ and EQ
Liz Tran makes the case for a new kind of intelligence that addresses our ability to handle today’s ever-fluctuating challenges: AQ.
Book cover titled "Governing Pandora" by Andrea Bonime-Blanc featuring a colorful, geometric open box on a black background with white text—reflecting themes relevant to the Age of Pandora. Move fast and mend things
Why we should balance innovation with stewardship — while reframing the “techno-optimists versus doomers” polarization.
Book cover of "The Way of Excellence" by Brad Stulberg, featuring a winding path through green hills and a testimonial quote by Steve Kerr on how to find success. How to find success the “autotelic” way
Too many rich and prominent people turn out to be egotistical jerks: Brad Stulberg argues for a more grounded path towards excellence.
The world, seen sideways.
A person stands next to a large book titled "The Knowledge," symbolizing mastery of the city’s map. Memorizing London’s 25,000 streets changes cabbies’ brains — and may prevent Alzheimer’s
One of the toughest vocational exams in the world requires candidates to memorize 25,000 streets in an area five times the size of Manhattan.
3D topographic map showing underwater reefs and features labeled with names such as Toul ar Fot, TAF1, Porz Biazel, and Ar Fot Bras; scale and north arrow included. 7,000-year-old underwater wall raises questions about ancient engineering — and lost-city legends
Scientists found a massive underwater wall off the coast of France that might help explain the origin of the legend of Ys.
A colorful map of the United States with state boundaries replaced by regions labeled with various unrelated names and entities. America’s post-apocalyptic maps reveal eerily familiar fault lines
In post-apocalyptic fiction, imagined futures turn today’s political and cultural tensions into geography.
A color-coded map of Asia shows four migration phases from China, with arrows pointing toward Papua New Guinea and the Andaman Islands, both circled in yellow. “The Chinese Job”: Spain’s wild 1580s plan to conquer the world — via Beijing
The plan — conquer China and push west to attack the Ottomans — was peak imperial hubris, as the Spanish themselves eventually realized.
Where science meets the human story.
Three planets are silhouetted against deep space with a bright red star and nebula clouds in the background. Aerial aliens: Why cloudy worlds might make detecting life easier
Astronomer Lisa Kaltenegger spoke with Big Think about how "the colors of life" could leave detectable traces on distant planets.
A cylindrical space habitat with green landscapes and rivers, viewed from inside; two moons and a bright sun-like object are visible through large windowed sections. The next great leap in evolution may lie beyond Earth
NASA’s Caleb Scharf talks with Big Think about life’s long experiment in expansion.
A smiling man with short dark hair wears a button-up shirt, standing in front of a purple, splattered-texture background. David Kipping on how the search for alien life is gaining credibility
Big Think spoke with astronomer David Kipping about technosignatures, "extragalactic SETI," and being a popular science communicator in the YouTube age.
Abstract illustration featuring five circles with various designs connected by curved white lines on a purple and blue background, symbolizing science or interconnected concepts. 6 questions about consciousness with Annaka Harris
A conversation with Annaka Harris on shared perception, experimental science, and why our intuition about consciousness is wrong.