Cancer cells lose the natural balance between proliferation and death that normal cells have, resulting in tumors that gradually get larger and larger.

FORBES: Hitting The Self-Destruct Button

The drug is designed to stop the uncontrolled proliferation of cells that precedes cancer.

BBC: Simple test for breast cancer

Nearly all of the world's carmakers are also developing fuel cells (see Prototype Proliferation), but no one has as much riding on the technology as GM.

FORBES: Hydrogen Gas