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Science 5 May 2006:
Vol. 312. no. 5774, pp. 672 - 673
DOI: 10.1126/science.312.5774.672b
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News of the Week

IMMUNOLOGY:
Differences in Immune Cell "Brakes" May Explain Chimp-Human Split on AIDS

Jon Cohen

A new study that compares the immune responses of chimps and humans offers yet more compelling evidence that subtle differences in gene activity can result in big distinctions between the two species. (Read more.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)