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Word: relatedness (lookup in dictionary) (lookup stats)
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As for converting other kinds of cells, scientists noted that the two cell types in the mouse experiment are closely related, and it remains to be shown whether the trick can be achieved with more distant combinations. In any case, scientists would have to deliver different reprogramming signals to other...

Author: By Associated Press | Title: In Breakthrough, Harvard Lab Causes Cells To Change Type | 8/28/2008 | See Source »

The two-sentence statement, straightforward and clear as a bell, came from the North Korean foreign ministry on Aug. 26. "We have decided to immediately discontinue the disablement of our nuclear facilities that has been under way in accordance with the Oct. 3 [6-party] agreement. We will consider taking...

Author: /time Magazine | Title: N Korea Reneges on Nukes — Again | 8/27/2008 | See Source »

If small class size, world-class professors and an endowment larger than some nations' GDPs were the only criteria for ranking colleges, Harvard might always come out ahead. (Guess who tops the annual U.S. News and World Report list this year?) But the National Wildlife Federation (NWF) on Aug. 21...

Author: /time Magazine | Title: U.S. Colleges' Green Grade: C- | 8/24/2008 | See Source »

Why does that matter? If you believe that climate change is will be one of the greatest challenges facing the U.S. and the world for the foreseeable future, you know that we'll need engineers, scientists and even politicians versed in sustainability. That means American colleges need to educate and...

Author: /time Magazine | Title: U.S. Colleges' Green Grade: C- | 8/24/2008 | See Source »

3. The Novice Obama's critics tend to paint him two ways - related portraits but subtly different. The first is a picture of an empty suit, a man who reads pretty speeches full of gossamer rhetoric. "Just words," as Senator Hillary Clinton put it.

Author: /time Magazine | Title: The Five Faces of Barack Obama | 8/21/2008 | See Source »

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