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Science 28 July 2006:
Vol. 313. no. 5786, pp. 455 - 456
DOI: 10.1126/science.1131297
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Perspectives

ATMOSPHERE:
What Drives the Ice Age Cycle?

Didier Paillard

Between 3 and 1 million years ago, ice ages followed a 41,000-year cycle. Two studies provide new explanations for this periodicity.

The author is at the Laboratoire des Sciences du Climat et de l'Environnement, Institut Pierre Simon Laplace, CEACNRS-UVSQ, 91191 Gif-sur-Yvette, France. E-mail: didier.paillard{at}cea.fr

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THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Facing future climate change: is the past relevant?.
L. Skinner (2008)
Phil Trans R Soc A 366, 4627-4645
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Science. ISSN 0036-8075 (print), 1095-9203 (online)