Explore
Eight topic spaces, one shared method.
Choose a room and read what is currently being argued in it.
Philosophy
Questions that refuse to settle: meaning, ethics, mind, freedom.
312 ideas · 4,820 Sapiens
Economics
How societies produce, distribute and argue about value.
268 ideas · 3,910 Sapiens
Psychology
The architecture of attention, memory, motivation and self.
221 ideas · 3,477 Sapiens
History
What the past can and cannot tell us about the present.
197 ideas · 2,984 Sapiens
Science
Evidence, method, uncertainty, and the limits of explanation.
244 ideas · 3,620 Sapiens
AI & Technology
Machines that read, write and decide — and what that does to us.
389 ideas · 5,240 Sapiens
Society
Institutions, inequality, cities, migration, belonging.
301 ideas · 4,105 Sapiens
Human Behavior
Why people do what they do, alone and in crowds.
212 ideas · 3,188 Sapiens
World inquiries
Current events, put as propositions
Live global developments translated into the arguments underneath them.
Trending global inquiries
What the world is arguing about this week, put into propositions.
Micro-debates
Argue a motion in four rounds and let the room score the reasoning.
No debate on the floor in this topic yet.
All micro-debates →Reading sprints
Seven days, one text, a cohort checking in daily.
No sprint running yet — circles start them.
Find a circle →Trending
Ideas gaining perspectives
Active
Discussions in progress
Open thread: where has disagreement gone well for you?
Concrete cases only, please. No theories of the internet.
Sources
What people are citing
Book
Development as Freedom
Amartya Sen · 1999
Argues that development should be measured as the expansion of real freedoms people enjoy, not as income growth alone.
Book
The Human Condition
Hannah Arendt · 1958
Distinguishes labour, work and action, and defends the public realm as the space where human plurality becomes visible.
Podcast / Lecture
Arendt on Plurality — recorded lecture
Noémie Simard · 2025
Fifty minutes on why disagreement is not a failure of the public realm but its precondition.
Book
An Inquiry into the Nature and Causes of the Wealth of Nations
Adam Smith · 1776
The founding argument that specialisation and exchange, not hoarded bullion, are the sources of a nation's wealth — read here against its own moral philosophy.
Book
The Structure of Scientific Revolutions
Thomas S. Kuhn · 1962
The account of paradigms and anomalies that reframed science as a social practice punctuated by crisis, not a smooth accumulation of facts.
Book
Discipline and Punish
Michel Foucault · 1975
The birth of the prison as a model for modern institutions: power exercised through visibility, measurement and the ordinary timetable.
Book
The Beginning of Infinity
David Deutsch · 2011
A defence of good explanations as the engine of unlimited progress, and of optimism as an epistemological position rather than a mood.
Article
The Bitter Lesson
Richard S. Sutton · 2019
Seven hundred words arguing that general methods which scale with computation beat hand-built human knowledge — the most quoted essay in the AI circle.
Podcast / Lecture
This Is Water — Kenyon commencement address
David Foster Wallace · 2005
Twenty minutes on attention as a moral discipline: what you choose to notice is what your adult life is made of.