Table of Contents December 2004

Discover Magazine's mission is to enable readers to lead richer lives by explaining and expanding their universe.  Each month we bring you in depth information and analysis from various topics ranging from technology and space to the living world we live in.
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Can contact sports lower your intelligence?
A research team braves Central Asia to capture a surprising genetic record of human migration and military conquest.
Creative genius in both science and the arts is a heightened state of perception that transforms the very pulses of the air into revelations.
The cold, dark end is coming. We need an escape plan.


Though seemingly healthy at birth, this boy was in big trouble within 48 hours

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