The truth is like a vegetable your mother makes you eat, nourishing but it tastes terrible
Neurobiologist Colin Blakemore explains how the mind creates sight and perception.
Aleks Krotoski asks if there are some things that we would be better off not knowing.
Melvyn Bragg and his guests discuss Rene Descartes' famous statement.
How can we nurture critical thinking skills in children and young people?
American dependency on red tape and the 'death' of common sense.
Architectural writer Shumi Bose explores whether we can trust what we see.
Heather Couper looks at arguments over the laws of physics and the universe's creation.
How do our senses work together to shape the experience of eating? Barry Smith explores.
Michael Blastland explores the quirky ways in which we think, behave and make decisions.
Michael Blastland invites us to discover the way people think, behave and make decisions.
Roger Harribin asks how climate policy decisions can be taken amid scientific uncertainty.
Dr Mark Lythgoe attempts to find out what constitutes intuition and when we should use it.
Sathnam Sanghera asks, when we can know everything, are we better off not knowing things?
Could the world around us be a simulated reality?
Actor and impressionist Jan Ravens talks to Germaine Greer, about her public image.
Actor and comedienne Jan Ravens talks to BBC correspondent Lyse Doucet.
Barry Smith presents a journey into the human multi-sensory experience.
Paul Broks looks at the philosopher Ludwig Wittgenstein and the problem of 'other minds'.
Are we really living in a post-truth world? Jo Fidgen investigates.
Melvyn Bragg examines perception: how the brain reacts to the mass of data crowding it.
Clare Carlisle grapples with Bishop Berkley's idea that objects only exist in our minds.
Alan Read presents a philosophical reflection on reality and theatre.
Edward Said asks the basic question for the intellectual: how does one speak the truth?
Matthew Sweet explores the philosophical background to our relationship with things.
Timandra Harkness explores technologies that help humans perceive the world in novel ways.
Josie Long hears stories of people who take a leap of faith.
Dr Geoff Bunn on early Christian and Islamic contributions to understanding of the brain.
A witty, irreverent and unashamedly rational look at the science of perception.
Ernie Rea and guests discuss the religious understanding of truth.
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