Went to the gym today over the lunch hour – was planning on doing some yoga. As I stepped outside the sun felt so warm and nice I decided I would do yoga outside. So I went into the gym, which was freezing of course, changed, then walked around behind the building where there is an empty...

A friend made the statement this past weekend that “you burn more calories power-walking than running”. I vaguely remembered having heard similar claims, but doubting the validity of them. So, I challenged that calories burned is a matter of moving mass over distance, so whether you...