Worse still is the structural component's shape: notches and sharp corners create concentrations of stress that can initiate cracks.

ECONOMIST: Aircraft fatigue

Eggs also provide biotin, a structural component of both bone and hair.

CNN: What you eat can improve your health, mind, and appearance

So the structural component broke out higher, which triggered the feedback loop, so all the short sellers had to come out, and buyers were coming in.

FORBES: Are You Afraid to Trade?

Intersecting advances in cloning, genetics, instrumentation, and molecular and structural biology have allowed researchers to see beyond the exterior morphology of cells and tap their component molecules for solutions.

FORBES: Breakthrough Technologies For 2008