If and when you buy "The Rack," you're not just taking home a funky piece of metal. No, what you're really buying is the discipline and knowledge most people lack when they set out to exercise alone.

An ingenious device, only a few micrometers in size, lets researchers study the reaction of individual biological cells to mechanical stress. The behavior of cells is controlled by their environment.

This is a pattern I formulated years ago alongside Steve Shobin; as he put it then, "When a flat to declining 50 day sma comes down to meet a flat to rising 200 day sma, close your eyes, hold your ...