Digna Legi / Watch · 4 October 2026 · Selection 01

Five videos worth thinking with.

Five English-language videos selected for a sharper model, a useful technique, or a better question. Start with one; the other four are choices, not homework.

If you watch only one

How to Speak from 4:16 ↗ In under six minutes, Winston makes five ways of explaining a difficult idea visible enough to try in your next meeting or presentation.

Communication · MIT OpenCourseWare · Full runtime 1:03:42

How to Speak

Patrick Winston · MIT OpenCourseWare

The idea Promise what the audience will learn; revisit the central idea; distinguish it from nearby ideas; mark the structure; ask answerable questions.

Why spend the time The short passage demonstrates each move. Try one in the next explanation you give, then see whether your audience can restate the point.

Reservation These are teaching heuristics from experience, not universal rules established by controlled studies.

Suggested passage: 4:16–10:10

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Science and AI · Big Think · Full runtime 1:24:35

One of the world's greatest mathematicians explains 6 essential concepts of math

Terence Tao · Big Think

The idea Producing more proofs and papers does not automatically produce people who understand what is new or promising.

Why spend the time Tao reframes AI in science as a problem of digesting machine output and developing future researchers, not merely accelerating output.

Reservation The predicted loss of human scientific capacity is a plausible risk, not an established outcome.

Suggested passage: 54:54–end

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03Underseen

Philosophy and media · Center for the Study of Ethics · Full runtime 48:18

The Seductions of Clarity: Conspiracy Theories, Echo Chambers, and the Gamification of Social Media

C. Thi Nguyen · Center for the Study of Ethics

The idea A bubble omits opposing evidence; an echo chamber teaches people to distrust the sources of that evidence in advance.

Why spend the time The distinction changes how you respond to a closed belief system. Later in the talk, Nguyen asks how scores can replace the richer values they were meant to measure.

Reservation The conceptual distinction is sharper than his suggested causal explanation of online polarization.

Suggested passage: 5:56–8:52

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Decisions and psychology · TED · Full runtime 20:36

The riddle of experience vs. memory

Daniel Kahneman · TED

The idea The self living an experience and the self remembering it can judge that same experience differently.

Why spend the time That difference changes how you interpret a choice, a trip, or a measure of well-being.

Reservation Pain-memory experiments do not establish that the same weighting governs every complex life decision; later claims in the full talk are dated.

Suggested passage: 2:56–13:03

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05Underseen

Self-improvement · DLD Conference · Full runtime 12:39

Rethinking Positive Thinking

Gabriele Oettingen · DLD Conference

The idea Pair a desired outcome with the obstacle that stands in its way, then make an if-then plan for meeting it.

Why spend the time The method turns a wish into a specific move you can try the next time the obstacle appears.

Reservation The talk generalizes broadly. A later meta-analysis found a small-to-medium average effect and warned that publication bias may make the real effect smaller.

Suggested passage: 4:48–10:56

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