[Books] Survival by self-sacrifice Adjust Share By Lewis Thomas, This article is only available as a PDF to subscribers. Download PDF Tags 20th century Book reviews Edward Osborne Wilson Sociobiology More from Lewis Thomas Notes of a word-watcher Are altruism and cooperation natural? Ant brains Adjust Share Close < Previous Issue | View All Issues | Next Issue > November 1975 < Previous Issue | View All Issues | Next Issue > Table of Contents Close