Dark energy causes the acceleration of the expansion of the Cosmos. http://dld.bz/HDrF @NASA @SciFri @NYTimesScience @WiredScience

Michael Specter: ".. willful ignorance, the driving force of denialism." [#Denialism] Books http://dld.bz/RVp4

Geoffrey Nunberg: The n-word seems to be all over the place again. [The Way We Talk Now] @NPR @NYT @BBC nigger http://dld.bz/JgwB

Jonathan Alter: ".. the country would have slipped into an economic depression." [The Promise] Obama Nonfiction Books http://dld.bz/P6DR

Nunberg never fails to reveal some bit of history embedded in language. [The Way We Talk Now] @NYT @NPR @BBC @WSJ http://dld.bz/JgwB

Atul Gawande says there are hopeful signs that Healthcare costs can be contained. @NPR @GOP @WhiteHouse @PressSec Books http://dld.bz/JgwB

Philip Freeman: "We will never know exactly where Patrick lived." [St. Patrick of Ireland] Books St Patrick's Day: http://dld.bz/Rm2f