In his new book, he combines his... Paul R. Ehrlich, Author, Paul R. Ehlrich, Author, Anne H. Ehrlich, With Simon & Schuster $18.95 (320p) ISBN 978-0-671-68984-1 The Ehrlichs, articulate and ...

The hungry larvae of butterflies are selective in choosing the plants they eat. This reflects the fact that the evolution of both plants and the animals that feed on them is a counterpoint of ...

As 1968 began, Paul Ehrlich was an entomologist ... But over time Ehrlich’s tract would sell millions of copies and turn its author into a celebrity. It would become one of the most influential ...