Pick a subject, choose your level, and dive in. Each quiz is written and fact-checked by hand, with an explanation after every answer.
236 quizzes · page 7 of 10
Darts, bias, selvedge and interfacing — how flat cloth is turned into something that fits.
Cutting fabric on the bias means cutting at what angle to the grain?
Corsets to punk: the shapes, fastenings and fabrics that reset what people wore.
Which garment did women's dress largely abandon around the First World War?
Panels, gutters, balloons and splash pages: how comics tell a story on a flat page.
In a comic, what is the gutter?
Cels, twos, squash and stretch: the working methods behind moving drawings.
In traditional animation, what is a cel?
Ten investigations that ended careers, rewrote laws or forced institutions to open their files.
Which newspaper's reporting on the Watergate break-in led to President Nixon's resignation?
Embargoes, attribution, corrections and the difference between on the record and on background.
If a source speaks "on background", what has usually been agreed?
Think Small, the USP, AIDA and the account planner: how advertising is built and argued about.
Which car was advertised in the 1960s under the headline "Think Small"?
Limited liability, subsidiaries, cooperatives and due diligence — how businesses are actually structured.
What does limited liability mean for a company's shareholders?
Balance sheets, depreciation, break-even and goodwill: what a set of company accounts is actually saying.
The balance sheet equation states that assets are equal to what?
Opportunity cost, externalities, elasticity and moral hazard — the concepts behind the arguments.
Opportunity cost is best described as what?
Fiat currency, Bretton Woods, legal tender and lenders of last resort: the plumbing behind money.
The phrase "double coincidence of wants" describes a problem with what?
What separates a mineral from a rock, and where a gemstone gets its colour.
What must a substance have to be classified as a mineral?
Ice, rivers, wind and waves, and the landforms each of them leaves behind.
What is the difference between weathering and erosion?
Bioluminescence, vent communities and the slow economy of a world without sunlight.
Which name is given to the ocean layer below roughly 1,000 metres, where sunlight never…
Whales, seals, sirenians and otters, and the equipment each one needed to leave the land.
Baleen whales feed by doing what?
Brood patches, egg tricks and the birds that hand the whole job to one parent.
A bird that hatches covered in down and able to walk almost at once is described as what?
Ten bills, tongues and stomachs, and the food each of them evolved to handle.
A flamingo feeds by doing what?
Mulch, pH, grafting and hardening off — the reasoning behind the repeated jobs.
What does mulching a bed with bark or compost mainly achieve?
Rings, heartwood, fungal partners and the physics of lifting water thirty metres.
What do the rings visible in a cut tree trunk record?
The scales, indices and warning systems behind the numbers in a disaster headline.
The Saffir-Simpson scale rates hurricanes on the basis of what?
Ten catastrophes and the laws, defences and sciences built in their aftermath.
The great earthquake of 1755 that destroyed most of a European capital and helped launch the…
Rock, ocean, air and living tissue, and the flows of carbon that connect them.
Which pair of processes moves the largest amounts of carbon between the atmosphere and living…
Red Lists, treaties, corridors and reserves — the practical machinery of protection.
What does the IUCN Red List do?
Walls, wars, philosophy and collapse, told through the men who held the purple.
Which emperor ordered a wall built across northern Britain in the 120s AD?