It’s “just” an electronic growth chart. But lurking inside is a disruptive new approach to medicine. In a world where organ transplants and MRIs are commonplace, pediatric growth charts don’t sound ...

The old rule of thumb for calculating a pet’s age in “human years” is simple: Just multiply by 7. By that common guideline, a 3-year-old cat is a young adult, equivalent to a human 21-year-old. And a ...