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Imagine that day by day, your field of vision becomes slightly smaller, narrowing or dimming until eventually you go completely blind. We tend to think of blindness as something you’re born with, but in fact, with many diseases like Retinitis pigmentosa and Usher syndrome, blindness can start developing when you’re a kid, or even when …
Earthquakes have always been a terrifying phenomenon, and they’ve become more deadly as our cities have grown, with collapsing buildings posing one of the largest risks. Why do buildings collapse in an earthquake, and how can it be prevented? If you’ve watched a lot of disaster films, you might have the idea that building collapse …
To someone first encountering the works of William Shakespeare, the language may seem strange. But there is a secret to appreciating it. Although he was famous for his plays, Shakespeare was first and foremost a poet. One of the most important things in Shakespeare’s language is his use of stress. Not that kind of stress, …
Why Shakespeare loved iambic pentameter – David T. Freeman and Gregory Taylor 더 보기 »
How does your smartphone know exactly where you are? The answer lies 12,000 miles over your head in an orbiting satellite that keeps time to the beat of an atomic clock powered by quantum mechanics. Phew. Let’s break that down. First of all, why is it so important to know what time it is on …
How does your smartphone know your location? – Wilton L. Virgo 더 보기 »
“Hi, Bob.” “Morning, Kelly. The tulips looks great.” Have you ever wondered how your dog experiences the world? Here’s what she sees. Not terribly interesting. But what she smells, that’s a totally different story. And it begins at her wonderfully developed nose. As your dog catches the first hints of fresh air, her nose’s moist, …
How do dogs “see” with their noses? – Alexandra Horowitz 더 보기 »
Hello, everyone. Let’s begin our guided tour. Welcome to the Museum of Museums. Museums have been a part of human history for over 2000 years. But they weren’t always like the ones we visit today. The history of museums is far older and much stranger than you might imagine. We’ll start over here in the …
Humans have been fascinated with speed for ages. The history of human progress is one of ever-increasing velocity, and one of the most important achievements in this historical race was the breaking of the sound barrier. Not long after the first successful airplane flights, pilots were eager to push their planes to go faster and …
The presidency of the United States of America is often said to be one of the most powerful positions in the world. But of all the U.S. presidents accused of misusing that power, only one has left office as a result. Does Richard Nixon deserve to be remembered for more than the scandal that ended …
What if you could absorb another organism and take on its abilities? Imagine you swallowed a small bird and suddenly gained the ability to fly. Or if you engulfed a cobra and were then able to spit poisonous venom from your teeth. Throughout the history of life, specifically during the evolution of complex eukaryotic cells, …
You and a fellow castaway are stranded on a desert island playing dice for the last banana. You’ve agreed on these rules: You’ll roll two dice, and if the biggest number is one, two, three or four, player one wins. If the biggest number is five or six, player two wins. Let’s try twice more. …
The last banana: A thought experiment in probability – Leonardo Barichello 더 보기 »
