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📖 Description
This digital document is an article from Science News, published by Thomson Gale on December 22, 2007. The length of the article is 2273 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser.
Citation Details Title: North by northwest: the planet's wandering magnetic poles help reveal history of Earth and humans. Author: Sid Perkins Publication:Science News (Magazine/Journal) Date: December 22, 2007 Publisher: Thomson Gale Volume: 172 Issue: 25-26 Page: 392(3)