A self-directed course

Have a Sense
About Everything

Interactive modules covering everything that shapes daily life.

Featured modules
41 modules
01
Weight & Mass

How much things weigh — from paperclips to cars

Numbers
02
The Human Body

Hair, vital signs, and the physical body in numbers

Body
03
Geography & Distance

Countries, oceans, and how far things are

Physical
04
Nutrition & Food Labels

Calories, macronutrients, and how to read what's in your food

Body
05
Money & Economy

Millions, billions, GDP, and financial scale

Numbers
06
Big Infrastructure

Bridges, dams, airports, and mega-projects

Science
07
Time & Scale

Seconds to centuries — building time intuition

Numbers
08
Speed & Duration

How fast things move and how long things take

Physical
09
Size & Scale

Atoms to galaxies — orders of magnitude

Numbers
10
History Anchors

A navigable map of the last 5,000 years

Physical
11
Temperature

From absolute zero to the surface of the Sun

Physical
12
Probability & Risk

Odds, chance, and how to think about risk

Numbers
13
Percentages & Ratios

Mental math tricks for everyday numbers

Numbers
14
Materials

Steel, concrete, wood — what things are made of

Science
15
Chemistry

Functional groups, reactions, and molecular logic

Science
16
Engineering Rules of Thumb

Quick estimates for how things are built

Science
17
Politics

Government systems, institutions, and power

Society
18
Diplomacy

International organizations, treaties, and soft power

Society
19
Culinary Arts

World cuisines, meat temperatures, sauces, techniques, and etiquette

Culture
20
Drinks

Spirits, cocktails, wine, and coffee

Culture
21
Fashion

Fabrics, brands, dress codes, and style

Culture
22
Sleep

Cycles, stages, hygiene, and circadian rhythms

Body
23
Sex, Gender & Orientation

Biology, identity, and social constructs

Body
24
Fitness & Exercise

Lifts, cardio, programming, and body mechanics

Body
25
Weather

Fronts, clouds, pressure, and forecasting

Physical
26
Space & the Solar System

Planets, distances, and cosmic scale

Physical
27
Psychology

Biases, memory, motivation, and mental models

Mind
28
Philosophy

Ethics, logic, epistemology, and big questions

Mind
29
World Population & Demographics

How many of us there are and how fast we're growing

Numbers
30
Art

Movements, techniques, and visual literacy

Culture
31
Literature

Language, narrative, and the written word as art form

Culture
32
Painting

From pigment to meaning — the oldest and deepest visual art

Culture
33
Music

Sound, time, and the art of organised listening

Culture
34
Cinema

The youngest art — moving images, time, and the grammar of film

Culture
35
Game

The newest art — interactivity, play, and why games are the defining medium of the 21st century

Culture
36
Management

How organisations work, decisions get made, and what the MBA actually teaches

Society
37
Technology

How computers work, how the internet runs, and what AI actually is

Science
38
Crypto

Blockchain, Bitcoin, DeFi, and decentralised finance

Numbers
39
Law & Legal Systems

How societies write rules, enforce them, and resolve disputes

Society
40
Language

How language works, where it came from, and what it does to thought

Mind
41
Sports

Why sport matters, how it works, and a deep dive into the world's game

Body
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