Great story on NPR by Robert Krulwich
The more life there is, the more rocks there are!
http://www.npr.org/blogs/krulwich/2010/09/14/129858314/my-grandson-the-rock
NORK!
Great story on NPR by Robert Krulwich
The more life there is, the more rocks there are!
http://www.npr.org/blogs/krulwich/2010/09/14/129858314/my-grandson-the-rock
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