A bra that only unhooks for the right person
The idea of a bra that unhooks itself only when a woman is standing in front of “the one” sounds like a joke from a…
How Many People Use Toilet Paper—and What Do People Use Instead Around the World?
You might feel like toilet paper is a complete given—it’s in every bathroom, you buy it in multi-packs when it’s on sale, and the only…
How Many Horsepower Does One Horse Have?
The idea seems simple: if engine output is measured in “horsepower,” then logically one horse should have one horsepower. In practice, it’s a bit more…
How Did Reels Come About?
Today, most people see Reels as an endless stream of short vertical videos that Instagram serves up one after another. From a social media perspective,…
AI Capsule in the Digestive Tract
Examinations of the digestive tract are among those patients fear the most—the idea of a tube down the throat, sedation, and an unpleasant sensation is…
What Is an Octopus’s Memory Like?
At first glance, octopuses may seem like “just” strange sea creatures with eight appendages, but in reality they rank among the most intelligent animals on…
Doing Nothing as an Art Form
An Overworked Society Discovering Silence South Korea has long been known as a country where people work hard—and compete even harder: at school, at work,…
Cheap last-minute Christmas gifts
Sometimes it just happens: the calendar starts moving faster than your wallet—and your phone planner. The good news is that a cheap last-minute gift doesn’t…
Descartes: “I think, therefore I am” (cogito ergo sum)
The famous formula first appeared in French as “Je pense, donc je suis” in Discourse on the Method (1637). Later, Descartes also uses the Latin…
Cryptocurrencies: history, how they work, risks, and a practical guide
Cryptocurrencies are digital money that operates without a central bank and records transactions in a public ledger—the blockchain. Instead of trusting an intermediary, they rely…