By Subway, Bus and Uber in New York, With Twitter and Other Apps in Hand Technology is helping to solve transit issues, even if progress seems slow. Emma G. Fitzsimmons, who covers New York City transit for The Times, lays out how. Read More…

Stepping Up iOS Security Apple’s mobile gadgets may not need the same type of antivirus protection that desktop computers need these days, but there are other things you can do to protect your portable gear. Read More…

Why That Digital Photo Print Is Fuzzy If your pictures look blotchy and out of focus, you likely need to print them at a smaller size or find a version of the photo at a higher resolution. Read More…

Can You Illustrate Emotional Absence? These Graphic Novels Do Nick Drnaso’s “Sabrina” and Michael Kupperman’s “All the Answers” both center on characters who set off a story by disappearing. Read More…

Unlocking the Secrets of the Microbiome Restoring the proper balance of microscopic organisms in every organ is perhaps the most promising yet challenging task of modern medicine. Read More…

Clearing Up the Confusion About Salt Excess sodium is responsible for most cases of hypertension, a leading risk factor for heart attacks, strokes and kidney failure. Read More…

New Recognition for Chronic Fatigue A major shift is underway as far as how to approach treatment of a condition once met with skepticism. Read More…

Cataract Surgery May Prolong Your Life People who can see better are more likely to get exercise, take their medication and avoid falls, experts say. Read More…

The Importance of Infants’ Exposure to Micro-Organisms Fewer scheduled cesarean deliveries and more breast-feeding could give babies more protective bacteria. Read More…

More Fitness, Less Fatness Public health experts worry about the effects of “fat acceptance” on well-being and the costs of chronic weight-related ailments. Read More…