Quick primers for anything
A gallery of things worth knowing
Bite-sized intros to soccer, wine, quantum mechanics, and everything in between — skim one in three minutes flat.
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The Internet & Web
Wi-Fi
Invisible radio waves, a pun on hi-fi, and the reason your living room has a worse signal than your kitchen.
Nutrition Science
Vitamins
Tiny molecules with enormous résumés: you need them in minuscule amounts, and you cannot do without them.
Ancient Civilizations
The Sumerians
They invented a way to press ideas into clay, and in doing so gave history its first draft.
American History
The Great Depression
A stock market crash was only the opening act of a decade in which a quarter of American workers had no job to go to.
Evolution & Origins
The Extinction of the Dinosaurs
One bad rock, one very bad day, and the Age of Dinosaurs got an abrupt ending, with a few feathery survivors.
Medieval & Renaissance Europe
The Black Death
The worst pandemic in European history arrived by ship, stayed for four years, and rearranged the continent's economy on its way out.
42 subjects
Sports & Games
From stadium-filling team sports to the quiet intensity of a chess board, quick primers on the games people play and watch.
30 subjects
Food & Drink
What's actually in your glass and on your plate, and why it ended up there.
43 subjects
Arts & Entertainment
The genres, movements, and mediums shaping music, film, art, and the stage.
38 subjects
Money & Business
How money, markets, and companies actually work, in plain language.
58 subjects
Science & Nature
The universe, the planet, and the living things on it, broken down without the jargon.
30 subjects
Technology & AI
The tools, systems, and breakthroughs reshaping how we live and work.
47 subjects
History & Civilization
The civilizations, wars, and revolutions that shaped the world as it is now.
41 subjects
Health & Wellness
How the body works, and what actually helps keep it running well.
25 subjects
Travel & Geography
Places worth knowing about, and the practical know-how for getting there.
23 subjects
Politics & Society
How governments, laws, and social movements actually shape everyday life.
21 subjects
Religion & Philosophy
The belief systems and big ideas that shape how people find meaning.
26 subjects
Home & Garden
Practical know-how for making a home more livable, organized, and green-thumbed.
26 subjects
Fashion & Style
How clothing, beauty, and personal style actually work, and why they change.
26 subjects
Relationships & Family
The dynamics behind romance, marriage, parenting, and friendship.