Inside: Christmas Count and Graph iSpy Printable for Kids Need a holiday math activity that actually keeps preschoolers ...

Many people measure their physical activity by the amount of time they spend exercising, but new research makes a case that counting steps is similarly beneficial. Meeting fitness goals measured by ...

Wearable tracker maker Mio Global has a new fitness metric called Personal Activity Intelligence based on your unique heart rate data. Personal tech columnist Geoffrey A. Fowler takes PAI for a ...