“Why does my stomach hurt?” sounds like a simple question, but medically it is one of the broadest questions a person can ask. What we casually call the stomach is often the entire abdomen, an area stretching from below the chest toward the...
Read article
Artificial intelligence has become one of those phrases that seems to describe everything at once. It can mean the system that recommends a song, the software that detects a suspicious bank...
Read
There is a point in an Arctic winter when ordinary ideas about daytime stop being useful. The sun may skim the horizon without properly rising, snow can turn blue in the long twilight, and a...
Read
On a clear Arctic night, the sky can begin almost imperceptibly. A pale band appears above the horizon, faint enough to be mistaken for a cloud. Then it brightens. The band folds into curtai...
Read
The most spectacular sign of a geomagnetic storm can look almost supernatural. Green curtains ripple across the night sky, red light appears hundreds or even thousands of kilometres farther...
Read
Some of the most senior people inside the U.S. military recently found themselves in an unusual position: sitting in a room, connected to physiological sensors, answering questions while inv...
Read
Three years after Godzilla Minus One transformed a relatively modest Japanese monster movie into an international phenomenon and an Academy Award winner, Takashi Yamazaki is returning to the...
Read
A family flight from the Bahamas to South Florida turned into a frantic international search after a small twin-engine aircraft disappeared over the water west of Andros Island. By the follo...
Read
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 In...
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