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Table of Contents: December 2004

Population genetic analysis provides evidence for six extant subspecies of tiger: the Amur, Indochinese, Malayan, Sumatran, Bengal, and, tentatively, South China tigers. The data will lead to improved conservation strategies for these endangered animals. The cover shows an Amur tiger, one of the last 500 surviving in the Russian Far East. (See Luo, et al.)

Image Credit: Photograph by Vasilij Solkin

Features

Ecology's Big, Hot Idea

John Whitfield

Book Reviews/Science in the Media

Brain versus Machine Control

Jose M Carmena

Obituaries

Francis Crick's Legacy for Neuroscience: Between the α and the Ω

Ralph M Siegel, Edward M Callaway

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