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AT&T devCentral & BlackBerry(r) Webcast Series: BlackBerry and GPS -Build Location Awareness into your BlackBerry Applications, July 10th-1:00PM EST. Register Today!
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Old Speck of Crystal on Display in Wis. (AP)
AP - To create buzz about an otherwise arcane subject, the University of Wisconsin-Madison showed off a tiny speck of zircon crystal believed to be the oldest known piece of Earth at about 4.4 billion years old.
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