Browse Online Courses

Explore self-paced Knowable courses built around clear lessons, practical examples, memorable explanations, and structured paths for curious learners. Browse courses across history, arts and culture, science, finance, cooking, mindfulness, hobbies, music, and more.

Showing 11 courses
fitness

Beginner's Guide to Scuba Diving

Everything you wanted to know about scuba diving, from a brief entertaining history, to prominent divers, how and where to get certified (and how far ahead of time), and popular locations to go based on difficulty and accessibility. Tips for indivudals, couples, and families.

12 lessons
3h
music

The History of Jazz

Learn about the history and evolution of jazz, from its roots in African and New Orleans cultures to beloved standards and recordings. Understand what jazz looks like today: who is playing it, where, and why it still matters.

12 lessons
3h
arts

Introduction to Writing Poetry

A beginner-friendly course on poetry’s major forms, styles, history, and cultural traditions, with practical guidance for writing poems and understanding how poetry evolved from ancient oral traditions to modern and contemporary work.

50 lessons
13h
finance
14

How to Build Wealth: Investments, Stocks, Retirement Accounts

This course walks you through the practical architecture of modern investing—from how stock exchanges evolved from coffeehouses to digital networks handling trillions daily, to how index funds, ETFs, and tax-advantaged accounts actually work. You'll learn the mechanics behind different asset types (equities, bonds, money market funds), portfolio strategies (indexing vs. active management), and retirement vehicles (401(k)s, traditional and Roth IRAs). The course also covers the tax implications of short- and long-term capital gains, introduces options strategies like covered calls, and explains how retail investors now compete alongside institutions with proprietary algorithms. Designed for adults who want to understand not just what to do with their money, but why these financial instruments exist and how they function in practice.

12 lessons
3h
hobbies
5

Intermediate Chess: Learn Openings, Middlegames, and Endgames

A practical course for players who know the rules and basic tactics but want plans, opening structures, middlegame strategy, endgame foundations, and better study habits.

24 lessons
6h
cooking
4

Wine Tasting Without the Snobbery

A practical, low-pretension course on tasting wine, describing what you notice, pairing it with food, buying more confidently, and avoiding performance anxiety.

24 lessons
6h
history
6

Bathhouse Culture: Saunas, Onsens, Hammams, and Spas

A global history of communal bathing, heat rituals, mineral springs, famous bathhouses, and the health benefits and risks of sauna, onsen, hammam, and spa culture.

24 lessons
6h
history
4

The History of Democracy: From Athens to the Modern World

A historical course on democracy from ancient Greece and Rome through revolutions, suffrage, mass parties, decolonization, liberal democracy, and contemporary strain.

25 lessons
6h
mindfulness
4

Stoicism: Ancient Tools for Modern Resilience

A practical, historically grounded introduction to Stoicism, from ancient teachers to everyday exercises for attention, judgment, and resilience.

25 lessons
6h
arts

Feng Shui: Essentials for the Modern Home

Understand the core principles and history behind feng shui, the ancient Chinese art of directing energy through space. Learn how these concepts are applied and how to adapt them to your life, no matter where you live or your cultural background.

13 lessons
3h
hobbies

How to Get Married: Practical Guide to Weddings

Learn how to design and execute an incredibly memorable and fun wedding. Understand the history of various traditions and their purpose, and craft a wedding that fits your relationship and what you want to express. Tips on venues, invitations, timelines, and social conventions.

12 lessons
3h