Browsing: Blog

An East German border guard keeps a lookout for people trying to escape from communist Berlin to freedom on the other side of the wall. US National Archives How well do we know the countries we call home? It seems obvious that travel and study would improve a person’s knowledge of geography. But could attitudes […]

Many common air pollutants—ozone, various sulfur oxides, and even some particulate matter among them—are completely invisible to the eye. How interesting, then, that the EPA and other environmental organizations around the world, use color scales to communicate information about air quality. The US Air Quality Index, for instance, starts at green, meaning good air quality, moves […]

Gryffindor and Slytherin are about to play their annual badminton match. The best players from each house are supposed to face off on court one, the second best on court two, and so on. Slytherin’s coach knows that Gryffindor will put their players on the right courts, in order of their skill, because Gryffindors are […]

Luca Cerabona via Flickr You’ve been waiting for today for weeks. You paid more than you could really afford for tickets to a football game, and the day is finally here. But when you look outside your window early Sunday morning, you realize you’d rather not go. It’s snowing, it’s 20 degrees below zero, and […]

In the nearly 25 years that I spent in school, I produced countless term papers, exams, and presentations, nearly all of which of no value to anyone else. And that goes for most of the 20 million or so college and graduate students currently pursuing higher education in the United States. They produce thousands of […]

Monks relaxing in Sikkim, Indiaflowcomm via Flickr Robert Levine, a social psychologist at California State University, Fresno, will always remember a conversation he had with an exchange student from Burkina Faso, in Western Africa. Levine had complained to the student that he’d wasted the morning “yakking in a café” instead of doing his work. Nautilus […]

In 2009, more than 47 million computers in the U.S. were ready for “end-of-life management”—so hopelessly outmoded that no reasonable amount of refurbishment could redeem them. Market-driven innovation, thus far hewing to the demanding prediction of Moore’s law, means that every few months, the gadgets in our pockets and on our desktops are pushed closer […]

scion via Shutterstock Just south of the equator, thirty miles off the coast of Tanzania, sits a small island called Pemba. The small patch of dry land jutting out from the Indian Ocean is just 30 miles long and 10 miles wide. The quarter million or so people who inhabit Pemba live more or less […]