
The Ghost of Lysenko
Biologist Irving Weissman warns of the cost of irrational restrictions

The Ghost of Lysenko
Biologist Irving Weissman warns of the cost of irrational restrictions

Patient, Heal Thyself
Revving up the body's own stem cells could be the simplest route to new therapies


Making Stem Cells on Demand
Changing muscle into bone and regrowing organs could be the fruits of work on "dedifferentiation"

The Next Frontier: The Courtroom

Mother of All Cells
Scientists expect enormous benefits for humankind from the surge of research on embryonic stem cells. But it could take a generation or two before the full impact is felt. Clive Cookson discusses the issues

Geron
The former patent powerhouse works on new therapies

Study Demonstrates Feasibility of Custom-Made Stem Cells

Stem Cells From Hair Follicles Can Change into Neurons, Study Shows

Scientists Switch Stem Cells into Neurons

Eyeing Stem Cells

Even at Low Levels, Benzene Takes Toll on White Blood Cells

The 2004 Scientific American 50 Award: Policy Leaders