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Latest Proceedings of the National Academy of Sciences Stories

2012-06-29 10:38:48

Invasive species such as kudzu, privet and garlic mustard can devastate ecosystems, and, until now, scientists had little reason to believe that native plants could mount a successful defense.

2012-06-27 17:53:20

Scientists have identified a new mechanism of bacterial pathogenesis.

2012-06-26 14:33:19

A classic study from more than 60 years ago suggesting that males are more promiscuous and females more choosy in selecting mates may, in fact, be wrong, say life scientists who are the first to repeat the historic experiment using the same methods as the original.

2012-06-21 23:39:19

Neurons come in an astounding assortment of shapes and sizes, forming a thick inter-connected jungle of cells.

2012-06-12 06:23:43

In a pair of related studies, scientists from the Florida campus of The Scripps Research Institute have identified several proteins that help regulate cells’ response to light—and the development of night blindness, a rare disease that abolishes the ability to see in dim light.

Mechanisms Of Wrinkle And Crumple Formation Discovered
2012-06-08 11:05:44

UMass Amherst physicists have identified a fundamental mechanism by which complex patterns such as wrinkles and crumples emerge spontaneously

2012-06-05 11:31:01

Researchers from the University of Bonn have just shown how a single atom can be split into its two halves, pulled apart and put back together again.

High-contrast, High-resolution CT Scans Possible At Low Dose
2012-06-05 06:55:54

Soft body tissue can now be imaged with incredible detail using X-rays thanks to a new low dose CT-scan technique

2012-05-30 10:03:52

Scientists from The Scripps Research Institute and Pfizer Inc. have published a new study showing how a new drug called tafamidis (Vyndaqel®) works.

Nowhere To Hide: Bacteria Behind The Eardrum Seen with New Device
2012-05-30 08:37:02

Doctors can now get a peek behind the eardrum to better diagnose and treat chronic ear infections, thanks to a new medical imaging device invented by University of Illinois researchers.


Latest Proceedings of the National Academy of Sciences Reference Libraries

Proceedings of the National Academy of Sciences
2012-05-29 11:19:42

The Proceedings of the National Academy of Sciences of the United States of America (PNAS) is a peer-reviewed scientific journal established in 1914 as the official journal of the US National Academy of Sciences. The first managing editor of the journal was mathematician Edwin Bidwell Wilson. As of May 2012, the editor-in-chief is Inder M. Verma. PNAS is published weekly in print, and daily online in PNAS Early Edition. The first issue of PNAS was published in 1915, and the journal...

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Word of the Day
bretelles
  • In dressmaking, straps running from the belt in front over the shoulders to the belt in the back, with more or less elaboration of trimming and outline. They usually broaden at the shoulder and narrow toward the waist.
The word 'bretelles' comes from a French word meaning 'braces'.