No CrossRef data available.
Published online by Cambridge University Press: 31 July 2008
Our environment is complex, but it is understandable through rational investigation, and it is not to be feared. So wrote Titus Lucretius Carus of the nature of things some thirty human lifetimes ago—not so long, really. About species evolution Lucretius thought much, guessed well, and worried little. About microparasitic evolution he knew nothing. Would he have feared it? Should we fear it now?