Biotech: Tiny tags to decode disease.
From a backyard battle with squirrels came the idea for the gene gun-the tool that creates biotech crops by shooting helpful genes into plant cells.
Patent systems are challenged when proprietary rights clash with doctors' sharing of health-care know-how.
New information about genes and proteins promises precise diagnostics and drugs. Millennium Pharmaceuticals' CEO is at the forefront of this medical transformation.
Biotech: Protein power, without the problems.