The U.S. Food and Drug Administration (FDA) has issued new rules that will require chain restaurants, pizza parlors and movie theaters to start displaying the calorie counts on all the food they sell. Read more
INFOGRAPHIC OF THE WEEK
Time spent laughing is time spent with the gods.
- SLICE OF HISTORY
Medical diagnosis takes a huge leap forward when a patent for a device that can create cross-sectional images of any part of the human body is awarded to a dentist-turned-computer wiz named Robert Ledley. Working in a basement laboratory at Georgetown University in Washington, D.C., Ledley had built his first CT scanner—short for computed tomography—two years earlier. His scanners were soon in great demand—for the first time, doctors could see photographic renderings of soft tissue and organs, such as the brain and heart, not to mention detailed images of tumors. Get the full story.