Just a quick post before I get back to the main story.
There's a new link on the side: Treehugger.com
It's consumer capatalism with a conscience.
Mars' Liquid Core May Have Once Powered Only Half of its Magnetic Field
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Learn about Mars' defunct magnetic field, which may have sustained life on
the planet and covered only its southern hemisphere over 4 billion years
ago.
2 hours ago
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