It can be found in the toolbox of every craftsman and mechanic, and in the pocket of every hiker, camper, and adventurer. It has appeared in countless books, movies, and television shows; travelled across scorching deserts, frozen tundra, and steaming jungles; plunged to the bottom of the ocean; and even rocketed into outer space. It… Read More »
Put a frog in a pot of boiling water and it will immediately jump out. But put that same frog in a pot of cold water and raise the temperature gradually enough, and it will be boiled alive. This evocative story has long served as a useful metaphor for complacency in the face of gradual… Read More »
In today’s world of high-tech medicine, it is easy to take for granted the ease, regularity, and relative safety with which modern surgery is performed. For most of human history surgery was a bloody, painful, and dangerous affair. Without the benefit of antiseptic techniques or anaesthesia, surgeons had to work fast, racing against the clock… Read More »
Beneath the gothic arches and towers of Phoebe Hearst Hall at Atlanta’s Oglethorpe University lies a truly extraordinary room. Measuring 20 x 10 x 10 feet and carved into solid Appalachian granite, the room is packed with a dizzying collection of artefacts from the late 1930s, from phonograph records and typewriters to Lincoln Logs, Donald… Read More »
If you regularly visit the dentist, chances are you have sat at least once for a set of dental x-rays. The procedure is usually straightforward: first, the dentist will drape a protective lead vest over your chest and abdomen, then place x-ray film in a plastic holder in your mouth and the x-ray machine against… Read More »
