Skip to content
Closer To Truth
Watch
Seasons & Episodes
Watch complete episodes as aired on public television
Curated Playlists
Explore collections of videos curated by our team
Projects
Discover collaborations with leading institutions
Contributors
Meet the greatest thinkers exploring the deepest questions
CTT Chats
Watch candid conversations with the brightest minds on the boldest ideas
Roundtable Archives
View roundtable discussions from our early years
Topics
Cosmos, Life, Consciousness, Meaning: Explore the fundamental questions of existence.
Topic Guide
All Topics
Cosmos
Explore cosmology, physics, and the fundamentals of existence
Back
All Cosmos
Deep Laws of Nature
Back
All Deep Laws of Nature
Cosmic Fundamentals
Time and Space-Time
Quantum Theory
Philosophy of Science
Complexity and Emergence
Mathematics as Fundamental?
Information as Fundamental?
Universe as Simulation?
Deep Discoveries in Science
Vast Cosmos
Back
All Vast Cosmos
Cosmic Immensity
Cosmic Beginnings
Cosmic Structure
Multiple Universes (Multiverse)
Black Holes, Dark Energy, Dark Matter
Our Special Universe
Back
All Our Special Universe
Fine-Tuning of the Universe?
Fine-Tuning the Universe for Life & Mind?
Breathtaking Universe
Alien Intelligences?
Far Future of the Universe
Breakthroughs
Back
All Breakthroughs
Breakthroughs in Science
Breakthroughs in Mathematics
Science and Religion
Back
All Science and Religion
Science vs. Religion?
Science and God
How Science and Religion Think
The New Atheism
Limits of Science
Mystery of Existence
Back
All Mystery of Existence
The Mystery of Existence
The Mystery of Laws & Cosmos
Metaphysics of Cosmos
Why Anything at All?
Life
Join our in-depth exploration of life on planet earth and beyond.
Back
All Life
Philosophy of Biology
Back
All Philosophy of Biology
Why Philosophy of Biology?
Philosophy of Evolutionary Biology
Philosophy of Genes and Information
Philosophy of Evolution and Religion
What is Life?
Back
All What is Life?
What is Life?
What is Death?
Human Biology
Back
All Human Biology
Human Nature & Uniqueness
Evolutionary Culture and Ethics
Sex and Gender
Biology of Race
Medicine and Healthcare
Biological Futures
Life in the Cosmos
Back
All Life in the Cosmos
Life in the Cosmos
Biological Concepts
Back
All Biological Concepts
Mathematics and Biology
Deception
Plant Sentience
Consciousness
Search mysteries of mind and individual awareness
Back
All Consciousness
Mind-Body Problems
Back
All Mind-Body Problems
The Mind-Body Problem
Brain Structure and Function
Brain Explains Mind?
Elements of Mind
Consciousness
Back
All Consciousness
Consciousness as Emergent
Consciousness as All Physical?
Mystery of Consciousness
States of Consciousness
Sleep and Dreams
Purpose of Consciousness?
Metaphysics of Consciousness
Persons
Back
All Persons
Persons and Selves
Personal Identity
Life After Death?
Souls?
Human Uniqueness
Creativity
Music
Epistemology
Belief Systems
Mind and Society
People and Society
Free Will
Back
All Free Will
Mystery of Free Will
Philosophy of Free Will
Free Will and Consciousness
Science of Free Will
Free Will and Morality
Theology of Free Will
Extrasensory Perception
Back
All Extrasensory Perception
ESP and New Realities?
ESP and the Nonphysical?
Art Seeking Understanding
Back
All Art Seeking Understanding
Mind, Art, Transcendence
Aesthetic Cognitivism
Art and Philosophy
Neuroscience/Cognitive Science of Art
Neuroscience/Cognitive Science of Music
Art and God
Art and Religion
Art and Culture
Meaning
Seek whether God exists through diverse perspectives
Back
All Meaning
Philosophy of Religion
Back
All Philosophy of Religion
Concepts of God
Alternative Concepts of God
Faith and Belief
Conflict Among Religions
Philosophy and Analytic Theology
Contemporary Theological Engagement
How Philosophy Informs Religion
Religion Without God
Eastern Traditions and the Big Questions
Global Philosophy of Religion
Existence of God
Back
All Existence of God
Arguing God's Existence
Philosophical Arguments For God
Experiential Arguments For God
Arguments Against God
Attributes of God
Back
All Attributes of God
God's Nature?
God's Essence?
God's Powers?
God and Time?
God as Creator
Back
All God as Creator
God The Creator?
God's Interactions?
God's World?
Ultimate Destinies
Back
All Ultimate Destinies
God's Knowledge and Future Events?
Judgment (Heaven, Hell)?
Resurrection?
Eschatology (End Times)?
Eternal Life?
Search for Meaning
News
All News
Stay up-to-date with the latest from Closer To Truth
Book Excerpts
Explore recently authored books from our contributors
Perspectives
Read essays and articles from our community
About
About Closer To Truth
We are a digital-media nonprofit and TV series
The TV Series
Where to watch on PBS stations nationwide
Donate
Donate now to keep our content free!
Meet the Team
Meet the host and team behind Closer To Truth
Partnerships
Learn about our partners and collaborators
Support Closer To Truth
Ways to engage with and support our work
Podcast
Listen on your favorite podcast player
Store
Buy official Closer To Truth merchandise
YouTube
Subscribe to Closer To Truth on YouTube
Search
Search Closer To Truth
Close
Login
Join
Navigation Toggle
Watch
Episodes
Watch complete episodes as aired on public television
Curated Playlists
Explore collections of videos curated by our team
Projects
Discover collaborations with leading institutions
Contributors
Meet the greatest thinkers exploring the deepest questions
CTT Chats
Watch chats with the brightest minds on the boldest ideas
Roundtables
View roundtable discussions from our early years
Topics
Topic Guide
Cosmos, Consciousness, Meaning: Join us as we explore the fundamental questions of existence.
Cosmos
Explore cosmology, physics, and the fundamentals of existence
Consciousness
Search mysteries of mind and individual awareness
Meaning
Seek whether God exists through diverse perspectives
News
The Latest
About
About Closer To Truth
We are a digital-media nonprofit and TV series
TV Series
Where to watch on PBS stations nationwide
Meet the Team
Meet our host and our team
Donate
Donate now to keep our content free!
Partnerships
Learn about CTT’s partners and collaborators
Support Closer to Truth
Ways to engage with and support our work
Podcast
Listen on your favorite podcast player
Store
Buy official Closer To Truth merchandise
YouTube
Subscribe to Closer To Truth on YouTube
FAQ
Learn about Closer to Truth membership
Login
Join
Keyword search
Submit
Tim Palmer
Share
Birgitta Whaley
Share
David DiVincenzo
Share
Llewellyn “Doc” Dougherty
Share
Murray Gell-Mann
Share
David Goodstein
Share
Shri Kulkarni
Share
Roger Blandford
Share
Steve Koonin
Share
Bart Kosko
Share
Leon Lederman
Share
James Trefil
Share
Posts navigation
Older posts