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Science 7 December 2007:
Vol. 318. no. 5856, pp. 1560 - 1561
DOI: 10.1126/science.1151994
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Perspectives

ASTRONOMY:
A Texture in the Sky?

Robert Brandenberger

The cosmic microwave background may contain the echoes of a defect in spacetime that occurred just after the Big Bang.

The author is in the Physics Department, McGill University, 3600 University Street, Montreal, Canada, H3A 2T8.E-mail: rhb{at}physics.mcgill.ca

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