Episodes

The definitive source on cosmos, life, consciousness, meaning

Watch more than 300 episodes in 21 seasons of Closer To Truth television, as we continue to push the boundaries of knowledge and understanding.

All Seasons
All Episodes

How do Eastern traditions address the Big Questions of existence and sentience—Closer To Truth’s pillar categories of Cosmos, Life, Consciousness, Meaning? How do...

playlist

Season 24

Season

5 videos

2:13:55

Watch

In this first series on Philosophy of Biology, Closer to Truth explores the challenges and implications of evolution.

playlist

Season 23

Season

5 videos

2:13:54

Watch

To seek the foundations of reality we look through the prism of mathematics. Mathematics is the universal language anyone, anywhere, can appreciate. We ask profound...

playlist

Season 22

Season

10 videos

4:28:34

Watch

Science explores how the world works. Breakthroughs drive science, challenging conventional wisdom, changing ways of thinking. What are Breakthroughs in science?

playlist

Season 21

Season

13 videos

5:48:11

Watch

Art Seeking Understanding: Art delights us, but how and why? Explore art and cognitive science, philosophy, history, theology, and more.

playlist

Season 20

Season

10 videos

4:27:50

Watch

Philosophical inquiries including the anthropic principle; fine-tuning in physics and cosmology; and atonement, salvation, and incarnation.

playlist

Season 19

Season

13 videos

5:48:24

Watch

Are there multiple universes? What is extended mind? What causes consciousness? Challenges of analytic theology? If God, what’s evolution?

playlist

Season 18

Season

13 videos

5:48:20

Watch

How did the universe begin? What exists? What are the risks of scientific knowledge? Can metaphysics discern God, and what or who is God?

playlist

Season 17

Season

13 videos

5:48:24

Watch

Cosmos: Doomsday argument? Philosophy & science? Consciousness: Brain alone? Brains go bad? Language? Meaning: How miracles? God fallacies?

playlist

Season 16

Season

13 videos

5:48:24

Watch

Cosmos: Reason? Implications? Consciousness: ESP mean? ESP work? Dualism? Ultimate reality? Meaning: Speculating about God? God intervenes?

playlist

Season 15

Season

13 videos

5:48:13

Watch

Cosmos: Information? Truth? Multiverse? Consciousness: Science of consciousness? Mind heal body? Meaning: Blame God for evil? God not free?

playlist

Season 14

Season

13 videos

5:48:07

Watch

Cosmos: Ever end? Ultimate reality? Consciousness: Death final? Free will for moral responsibility? Meaning: What causes religious belief?

playlist

Season 13

Season

13 videos

5:48:03

Watch

Cosmos: Beginning? What is Nothing? Why anything? Consciousness: Personal identity persist? Sleep? Human uniqueness? Meaning: New atheism?

playlist

Season 12

Season

13 videos

5:47:50

Watch

Cosmos: What is time? Infinite cosmos? Consciousness: How brains work? Free will illusion? Meaning: Alternative Gods? Resurrection? Hell?

playlist

Season 11

Season

13 videos

5:47:52

Watch

Cosmos: Religiously ambiguous? General principles? Consciousness: Illusion? Dreams? Belief systems? Meaning: What is God? Arguing God?

playlist

Season 10

Season

13 videos

5:47:56

Watch

Cosmos: Life inevitable? Inflation? Complexity? Consciousness: Alien intelligence? Meaning: Creator God? God all powerful? God fallacies?

playlist

Season 09

Season

13 videos

5:47:56

Watch

Cosmos: Beyond physics? Cosmic purpose? Consciousness: ESP clues? Keep identity? Souls? Meaning: God’s nature? Evil necessary? Immortality?

playlist

Season 08

Season

13 videos

5:47:51

Watch

Cosmos: SpaceTime? Science limits? Consciousness: How brains conscious? Survive death? Meaning: God vs science? Miracles? God & free will?

playlist

Season 07

Season

13 videos

5:47:55

Watch

Cosmos: Cosmic structure? Quantum strange? Consciousness: ESP spirit? Brain free will? Meaning: God all knowing? Necessary? Agnosticism?

playlist

Season 06

Season

13 videos

5:47:54

Watch

Cosmos: Far future? Ultimate Questions? Consciousness: Human brains? Mind? Personal identity? Meaning: God a Person? Religion without God?

playlist

Season 05

Season

13 videos

5:47:56

Watch

Cosmos: Expanding universe? Extra dimensions? Laws? Consciousness: All material? Angels/demons? Meaning: God’s judgment? God create evil?

playlist

Season 04

13 videos

5:47:55

Watch

Cosmos: Something/Nothing? Final Theory? Consciousness: Fundamental? Aliens? Meaning: God knows future? Eternal life? Science-religion?

playlist

Season 03

Season

13 videos

5:47:57

Watch

Cosmos: Many universes? Time Travel? Consciousness: Life after death? Mind? Free will? Meaning: Evil disprove God? Time? Arguing Atheism?

playlist

Season 02

Season

13 videos

5:47:58

Watch

Cosmos: How vast? Fine-tuned? Fake? Consciousness: Mystery? Brain structure? Souls? ESP? Meaning: God make sense? Arguing God’s existence?

playlist

Season 01

Season

13 videos

5:47:51

Watch

290 episodes

Cover image for Eastern Traditions: What is World? What is Reality?

How do Buddhism, Chinese traditions, Hinduism, and Shintoism address causality, consciousness, energies, God, ultimate reality? What is non- dualism? How is the world...

video

Eastern Traditions: What is World? What is Reality?

Episode, Season

Episode 1

Season 24

26:47

Watch

Cover image for Eastern Traditions: What is the Human Person?

How do Buddhism, Chinese traditions, and Hinduism address the essence of human sentience? What is consciousness? What is the self? What is qi? Do humans have souls or...

video

Eastern Traditions: What is the Human Person?

Episode 2

Season 24

26:47

Watch

Cover image for Eastern Traditions: Why are Suffering and Ritual Vital?

How do Buddhism, Chinese traditions, and Hinduism address the perennial problems of suffering, ethics, ritual and contemplative practices? Why is suffering so important in...

video

Eastern Traditions: Why are Suffering and Ritual Vital?

Episode 3

Season 24

26:47

Watch

Cover image for Eastern Traditions: What are Ultimate Existence & Essence?

How do Buddhism, Chinese traditions, and Hinduism address the ultimate essence of all things, the ground of being? What are transcendence, oneness, interconnectivity,...

video

Eastern Traditions: What are Ultimate Existence & Essence?

Episode 4

Season 24

26:47

Watch

Cover image for Eastern Traditions: What is Our Ultimate Future?

How do Buddhism, Chinese traditions, and Hinduism address Final Things—eschatology—life after death and the ultimate transformation of the world? What are reincarnation...

video

Eastern Traditions: What is Our Ultimate Future?

Episode 5

Season 24

26:47

Watch

Cover image for Why Philosophy of Biology?

Philosophy of Biology has two sides: the process of science and the content of biology. We address key questions. What is the nature of life? How does evolution work and what...

video

Why Philosophy of Biology?

Episode 1

Season 23

26:47

Watch

Cover image for What is Biological Information?

What is information in biology? information is essential for analyzing data and testing hypotheses. But what is information in molecular genetics and neuroscience? What in...

video

What is Biological Information?

Episode 2

Season 23

26:47

Watch

Cover image for What is Evolutionary Developmental Biology?

Two big ideas in biology: the evolution of species via mutation, fitness and natural selection; and the embryological development of individuals, from fertilized egg to whole...

video

What is Evolutionary Developmental Biology?

Episode 3

Season 23

26:46

Watch

Race is obviously real—historically, socially, politically. What about biologically? We explore biological facts about race and their implications. What’s the...

video

Is Race Real?

Episode 4

Season 23

26:47

Watch

Cover image for Why is Mathematics True & Beautiful?

Does mathematics have two transcendent attributes: truth and beauty? What makes math true? What makes math beautiful? Are there different kinds of mathematical existence? How...

video

Why is Mathematics True & Beautiful?

Episode 1

Season 22

26:52

Watch

Cover image for What Does the “Unreasonable Effectiveness” of Mathematics Mean?

The astonishing effectiveness of mathematics in the natural sciences, especially in physics, borders on the mysterious—and there seems no rational explanation. Our...

video

What Does the “Unreasonable Effectiveness” of Mathematics Mean?

Episode 4

Season 22

26:52

Watch

Cover image for What are Breakthroughs in Mathematics?

Call mathematics the purest form of knowledge, universal messaging anyone, anywhere, can understand. For math to advance, there must be breakthroughs, which may seem like...

video

What are Breakthroughs in Mathematics?

Episode 5

Season 22

26:52

Watch

Cover image for What is the Deep Meaning of Probability?

Consider three powers of probability: refining data, assessing theories, probing ultimate reality. Watch how these work in cosmology: confidence in precise measurements;...

video

What is the Deep Meaning of Probability?

Episode 6

Season 22

26:50

Watch

Cover image for Why do Power Laws Work so Widely?

“Power laws” are mathematical relationships expressed by exponents or logarithms—why are they so powerful in describing the world? Why are power laws found in diverse...

video

Why do Power Laws Work so Widely?

Episode 7

Season 22

26:50

Watch

Cover image for Can Mathematics Explain Biology?

If life is a vast space of possibilities, then mathematics can engage with biology. Statistics analyze biological data, and mathematical models improve biological theories...

video

Can Mathematics Explain Biology?

Episode 8

Season 22

26:50

Watch

Cover image for Can Mathematics Elucidate Evolution?

If life is a vast space of possibilities, then mathematics can engage with biology. Statistics analyze biological data, and mathematical models improve biological theories...

video

Can Mathematics Elucidate Evolution?

Episode 9

Season 22

26:52

Watch

Cover image for Roger Penrose: Mathematics & What Exists

Roger Penrose—mathematician, physicist, philosopher—was awarded the 2020 Nobel Prize in Physics. We speak with Roger about our favorite, fundamental questions. What...

video

Roger Penrose: Mathematics & What Exists

Episode 10

Season 22

26:52

Watch

Cover image for Freeman Dyson, Part I: From Physics to the Far Future

Freeman Dyson, visionary extraordinaire, was one of the most inventive thinkers of our age: discovering new mathematics, challenging fundamental physics, colonizing space,...

video

Freeman Dyson, Part I: From Physics to the Far Future

Episode 01

Season 21

26:47

Watch

Cover image for Freeman Dyson, Part II: Mind, God, Religion

Freeman Dyson, visionary extraordinaire and creatively disruptive: realities inaccessible to science, independent mental, mind in the cosmos, science and theology, even...

video

Freeman Dyson, Part II: Mind, God, Religion

Episode 02

Season 21

26:47

Watch

Cover image for What are Scientific Breakthroughs in Physics?

Science explores how the world works. Breakthroughs drive science, challenging conventional wisdom, changing ways of thinking. Physics is foundational. What are Breakthroughs...

video

What are Scientific Breakthroughs in Physics?

Episode 03

Season 21

26:47

Watch

Cover image for What are Scientific Breakthroughs in Biology?

The mysteries of life constitute the science of biology. But solving biological mysteries often require Breakthroughs: new, even radical ways of thinking that disrupt current...

video

What are Scientific Breakthroughs in Biology?

Episode 04

Season 21

26:47

Watch

Cover image for What is Philosophy of Scientific Breakthroughs?

To explore scientific Breakthroughs is to find theories or discoveries that challenge conventional wisdom, change patterns of thought, provide novel frameworks for research....

video

What is Philosophy of Scientific Breakthroughs?

Episode 05

Season 21

26:47

Watch

Cover image for How do Breakthroughs Happen in Physics?

The nature of scientific Breakthroughs is one approach; the process of scientific Breakthroughs is quite another. When physicists reflect on how they do physics, when...

video

How do Breakthroughs Happen in Physics?

Episode 06

Season 21

26:47

Watch

Cover image for How Do Breakthroughs Happen in Biology?

Biologists work in different worlds than do physicists, separated by vast orders of magnitude, numbers of variables, and levels of complexity. Does the process of...

video

How Do Breakthroughs Happen in Biology?

Episode 07

Season 21

26:47

Watch

Loading ...

Loading Complete

No more pages to load

1 2 3 … 13