Skip to content← All categories📚 Foundations
- F-1The Unstuck Machinestart here~24 minHow do you figure things out when you don't know the answer? The scientific method, plus five moves for getting unstuck when it stalls.
- LOGIC-1What Makes Thinking Bulletproof?start here~16 minWhat makes an argument impossible to escape? Logic is what necessarily follows from what you've already accepted as true.
- BIO-1The Line Between a Rock and a Hamsterstart here~19 minWhat actually makes something alive? There's no single clean answer, just a checklist, and some very tricky edge cases.
- E&B-1Why You Cannot Have Everythingstart here~17 minWhy can't everyone just have everything they want? Scarcity: the basic condition that makes economics necessary at all.
- P&A-1Everything That Takes Up Spacestart here~16 minWhat actually counts as matter? Anything with mass that takes up space, even invisible air, but not light or sound.
- A&M-1All the Ways Humans Decided to Make Things Beautifulstart here~18 minWhat actually counts as art? A family of practices, painting to music to film, that all aim at the same kind of experience.
- GEO-1The Rebel Mapmakersstart here~25 minWhy is north always drawn at the top of the map? Nothing in space actually points 'up,' it's just a convention.
- P&P-1The Difference Between Knowing and Guessing Rightstart here~18 minIs a lucky guess the same as knowing something? Why real knowledge needs belief, truth, and justification, all three.
- L&C-1The Shortcut That Carries a Thousand Meaningsstart here~18 minWhy does a red octagon mean 'stop' anywhere in the world? Symbols only mean something because a group agreed they would.
- S&CT-1What Counts as Proof?start here~16 minNot all evidence is equally convincing. What actually makes a piece of evidence strong or weak?
- H&C-1The Closest You Can Get to Being Therestart here~17 minIs a primary source automatically more trustworthy? Being closer to an event isn't the same as being more reliable.
- T&E-1All the Ways Engineers Fix the Worldstart here~16 minWhat do engineers actually do all day? The branches of engineering, and the mostly invisible ways they shape daily life.
- CHEM-1The Smallest Thing That Is Still Somethingstart here~18 minWhat's the smallest piece of something that still counts as that thing? Atoms, and why they're mostly empty space.
- MATH-1The Language Everything Speaksstart here~18 minWhy does math work the same for everyone, everywhere? Math is the study of patterns that stay true no matter who's counting.