Table of Contents

June 2005

Malaria is transmitted to people and animals by mosquitoes. Malarial sporozoites develop inside oocysts and are released in large numbers into the hemocoel of Anopheles stephensi mosquitoes. This false-colored electron micrograph shows a sporozoite migrating through the cytoplasm of midgut epithelia. See Frevert et al.

Image Credit: Image by Ute Frevert; false color by Margaret Shear


The Evolution of Norms

Paul R Ehrlich, Simon A Levin


Community Page

Guidelines for Negotiating Scientific Collaboration

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A Scan for Positively Selected Genes in the Genomes of Humans and Chimpanzees

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