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Scientists analyze the effects of ocean acidification on marine species Posted: 25 Aug 2013 02:17 PM PDT Ocean acidification (OA) could change the ecosystems of our seas even by the end of this century. Biologists have assessed the extent of this ominous change. They compiled and analyzed all available data on the reaction of marine animals to OA. While the majority of investigated species are affected, the respective impacts are very specific.

How the brain remembers pleasure: Implications for addiction Posted: 25 Aug 2013 02:15 PM PDT Key details of the way nerve cells in the brain remember pleasure are revealed in a new study. The molecular events that form such "reward memories" appear to differ from those created by drug addiction, despite the popular theory that addiction hijacks normal reward pathways.

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