Health Science

Health Science charts the health data already on your iPhone — and does it properly. Apple Health stores years of running, sleep, steps, resting heart rate and weight, but it only shows you a few weeks at a time. Health Science reads the same data and draws the chart you actually wanted: the whole history, at the resolution the question needs. WHAT IT DRAWS • Running pace — every run over three months, six months, a year, or all of it, with faster runs higher up the axis. Your best run is circled; breaks in training are marked, not silently bridged. • Pace spread — each week of running as a ridge, so a steady week looks different from a scattered one. • Pace against heart rate — this season's runs contoured against your earlier ones. When the recent contours sit higher, you are running faster at the same effort. • Steps by time of day — when your movement happens, not just how much of…