On the evening of October 29, 1969, a student programmer at UCLA began typing a word into a computer. The machine was connected over a network to another computer at the Stanford Research Institute, hundreds of kilometres away. The intended...
Read article
Taste a drop of seawater and the answer seems obvious: the ocean contains salt. The more interesting question is how it got there. There are no gigantic salt deposits steadily dissolving int...
Read
Step out of a dark cinema into brilliant afternoon sunlight and, for some people, the reaction is immediate. The eyes narrow, the nose begins to tingle and within seconds comes an involuntar...
Read
Look closely at the tip of your finger and you are looking at a landscape that began forming months before you were born. Ridges curve, split, stop and rejoin in patterns so detailed that th...
Read
Seal a cat inside a box with a radioactive atom, a radiation detector and a mechanism capable of releasing poison. Arrange the experiment so that, after an hour, the atom has a 50 percent ch...
Read
You walk into a café you have never visited. The tables, the light from the window and the conversation at the next table suddenly feel uncannily familiar. For a few seconds, there is an ove...
Read
Draw a line from Miami to Bermuda, another from Bermuda to Puerto Rico, and a third back toward Florida, and you have the rough outline of one of the most famous imaginary places on Earth. T...
Read
Few foods carry a national story as neatly as Pizza Margherita. Red tomato, white mozzarella and green basil seem to reproduce the Italian flag on a circle of dough. According to the story r...
Read
Nelson Mandela did not die in a South African prison in the 1980s. He was released in 1990, became South Africa’s first Black president in 1994 and died in 2013 at the age of 95. Yet some pe...
Read
Few animal sounds are as instantly recognizable as a cat’s purr. A hand reaches toward a warm patch of fur, the cat closes its eyes, and a low vibration begins somewhere inside its body. To...
Read