Note to users. If you're seeing this message, it means that your browser cannot find this page's style/presentation instructions -- or possibly that you are using a browser that does not support current Web standards. Find out more about why this message is appearing, and what you can do to make your experience of our site the best it can be.

Science 6 October 2006:
Vol. 314. no. 5796, pp. 36 - 37
DOI: 10.1126/science.314.5796.36b
Prev | Table of Contents | Next

News of the Week

GEOCHEMISTRY:
Has Lazy Mixing Spoiled the Primordial Stew?

Richard A. Kerr

Two isotopic studies published online by Science this week (www.sciencemag.org/cgi/content/abstract/1131708 and www.sciencemag.org/cgi/content/abstract/1132595) indicate that the notion of permanent layering in Earth's depths, first published last year, may rest on shaky assumptions about the chemistry of the early solar system. (Read more.)

Read the Full Text

To Advertise     Find Products

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