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- Sweet Confusion: Does high fructose corn syrup deserve such a bad rap?
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- Fuzzy future: Kids may suffer impaired vision from spending too little time outdoors, studies suggest
- Building with moon rocks: Working on the moon with lunar soil and grit could prove easier, more efficient and less costly than using earthly materials
- Major twister hits Oklahoma: Its speed, which largely determines the damage it causes, is still unknown
Stable centers
View larger image | Cratons lie in the interiors of continents, largely undisturbed by processes of uplift, subduction and rock recycling occurring around them. The map above shows the names and global distribution of cratons dating back to the Archean, more than 2.5 billion years ago.
Source: C.T. Lee
Credit: T. Dubé, map: rosendo/istockphoto
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Coverage of the 2013 American Association for the Advancement of Science meeting
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The Year in Science 2012
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