ScienceDaily: Top Environment News |
| Extreme weather of last decade part of larger pattern linked to global warming Posted: 25 Mar 2012 02:32 PM PDT The past decade has been one of unprecedented weather extremes. Scientists now argue that the high incidence of extremes is not merely accidental. From the many single events a pattern emerges. At least for extreme rainfall and heat waves the link with human-caused global warming is clear, the scientists show in a new analysis of scientific evidence.  |
| A double ring ceremony prepares telomerase RNA to wed its protein partner Posted: 25 Mar 2012 02:30 PM PDT Few molecules are more interesting than DNA—except of course RNA. After two decades of research, that "other macromolecule" is no longer considered a mere messenger between glamorous DNA and protein-synthesizing machines. We now know that RNA has been leading a secret life, regulating gene expression and partnering with proteins to form catalytic ribonucleoprotein (RNP) complexes.  |
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