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Latest PNAS Stories

2014-08-26 08:28:14

SEATTLE, Aug. 26, 2014 /PRNewswire/ -- Glencoe Software, Inc. is pleased to announce that The Proceedings of the National Academy of Sciences (http://www.pnas.org), one of the most read and cited scientific journals in the world, has selected Glencoe's Data InPress Video Injection Service (http://datainpress.com) to deliver video content to its readers. Videos now appear in-line within the full-text HTML page of research articles, positioned near to where they are referenced in the...

2012-10-09 10:36:04

By the time our children reach kindergarten their learning and developmental patterns are already taking shape, as is a trajectory for their future health. Now, for the first time, scientists have amassed a large collection of research that looks "under the skin", to examine how and why experiences interact with biology starting before birth to affect a life course. Biological Embedding of Early Social Adversity: From Fruit Flies to Kindergartners, a special volume published in the...

2009-12-17 14:11:31

PNAS study documents puzzling movement of electricity-producing bacteria near energy sources. Bacteria dance the electric slide, officially named electrokinesis by the USC geobiologists who discovered the phenomenon. Their study, published online Dec. 15 in PNAS Early Edition, describes what appears to be an entirely new bacterial behavior. The metal-metabolizing Shewanella oneidensis microbe does not just cling to metal in its environment, as previously thought. Instead, it harvests...


Word of the Day
negawatt
  • A unit of saved energy.
Coined by Amory Lovins, chairman of the Rocky Mountain Institute as a contraction of negative watt on the model of similar compounds like megawatt.