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Politics : Politics for Pros- moderated

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To: Nadine Carroll who wrote (264618)	9/1/2008 11:50:17 AM
From: ManyMoose	Read Replies (1) of 793568

Not to change the subject, but I watched a program on cable last night. National Geographic, or Science channel, can't remember which. The program studied in depth how a 40,000 year old skeleton proved that humans migrated to Australia from Africa a very long time ago. Part of the proof of this migration was a computer model that showed how ocean levels waxed and waned on a 40,000 year period defined by wobbles in the earth's rotational axis. The model showed that ocean's rise and fall made Australia's coast line change dramatically, and the geological record seems to confirm it. A low period in ocean level made it possible for migrants from Africa to follow the coastline to the Indonesia island group, and it was a short trip from there to the expanded coast of Australia. The low periods were caused by tilts in the axis that made the polar ice caps grow, taking up the earth's supply of water. I bet Al Gore never thought global warming was caused by the other end of that tip of earth's axis, huh! cosmosmagazine.com

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