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Publisher's Summary

This edition includes four articles.

First, we'll hear about How to Blow Up A Star...and how some new models have recently succeeded in reproducing the two main types of supernovae.

We'll also hear about viral nanoelectronics: viruses that coat themselves in selected substances and can self-assemble into nano-wires and other devices.

Also we'll hear about: Regulatory T-cells...the peacekeepers of the immune systems.

Finally, we'll take a look at how strangling heat and gases from the earth and sea caused several mass extinctions�and whether the same conditions could build again.

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  • ©2006 Scientific American

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