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Just how rare is true blue quartz?
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one fish, two fish, orange fish, blue fish...
Started by kdlynnBoard Plant Sciences, Zoology & Evolution |
Replies: 12 Views: 12204 |
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How do we know that the "laws" of physics are really laws, i.e. true everywhere?
Started by rainwildmanBoard Physics, Astronomy & Cosmology |
Replies: 32 Views: 36714 |
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Is true North the same as Magnetic North?
Started by Karen W.Board Physics, Astronomy & Cosmology |
Replies: 10 Views: 14584 |
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How do true north and magnetic north differ?
Started by katieHaylorBoard The Environment |
Replies: 4 Views: 5397 |
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Is it true that irrigation of the colon "has never been clinically useful"?
Started by Nika2003Board Physiology & Medicine |
Replies: 1 Views: 4217 |
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