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
If attention recovers, what is the right unit of policy?
Working through the Chen & Tokoro meta-analysis in public. Methodological objections welcome and expected.
Sources
What people are citing
Book
Thinking, Fast and Slow
Daniel Kahneman · 2011
Two systems of thought — fast, intuitive judgement and slow, deliberate reasoning — and the predictable errors of the first.
Book
The Shallows
Nicholas Carr · 2010
Argues that networked media reshapes reading into scanning, trading depth of comprehension for breadth of exposure.
Research paper
The 2 Sigma Problem: The Search for Group Instruction as Effective as One-to-One Tutoring
Benjamin S. Bloom · 1984
Reports that tutored students outperformed conventionally taught peers by roughly two standard deviations, framing the challenge of scaling tutoring.
Research paper
Does Economic Growth Improve the Human Lot? Some Empirical Evidence
Richard A. Easterlin · 1974
The original statement of the Easterlin paradox: within countries richer people report more happiness, yet national happiness does not rise with long-run growth.
Research paper
Attention as a Scarce Resource in Digital Environments
L. Chen, K. Tokoro · 2024
A meta-analysis of 62 studies on interruption cost, arguing attention behaves less like a stock and more like a recovering tissue.
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.