
The SciencesMay 1, 1991
René Jules Dubos
This quintessential environmentalist's quest for mechanisms of disease evolved into a philosopher's search for health

René Jules Dubos
This quintessential environmentalist's quest for mechanisms of disease evolved into a philosopher's search for health

How Killer Cells Kill
These immune-system cells recognize a target, close in on it and bind tightly to it. Then they secrete onto its surface a lethal pore-forming protein that causes the target cell to leak and die