The Proceedings of the National Academy of Sciences of the United States of America, usually referred to as PNAS, is the official journal of the United States National Academy of Sciences (NAS). PNAS is an important scientific journal that printed its first issue in 1915 and continues to publish highly cited research reports, commentaries, reviews, perspectives, feature articles, profiles, letters to the editor, and actions of the Academy. Coverage in PNAS broadly spans the biological, physical, and social sciences. Although most of the papers published in the journal are in the biomedical sciences, PNAS recruits papers and publishes special features in the physical and social sciences and in mathematics. PNAS is published weekly in print, and daily online in PNAS Early Edition. PNAS was established by NAS in 1914, with its first issue published in 1915. The NAS itself had been founded in 1863 as a private institution, but chartered by the US Congress, with the goal to "investigate, examine, experiment, and report upon any subject of science or art." By 1914, the Academy was well established.
Five years ago, a team of University of California San Diego neurobiologists published surprising findings describing how rats' brain cells adopted new chemical codes when subjected to significant changes in natural light ...
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An overactive immune system during childhood among young people in Ecuador's indigenous Shuar population comes with a cost: stunted growth.
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A team of Russian scientists together with foreign colleagues, reports that the venom of the crab spider Heriaeus melloteei may be used as a basis for a treatment against hypokalemic periodic paralysis. This disease is caused ...
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What shapes the basic features of a language?
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Acyclic retinoid, an artificial compound derived from vitamin A, has been found to prevent the recurrence of hepatocellular carcinoma (HCC), the most common form of liver cancer. Now, in research published in Proceedings ...
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It has been known for more than three decades that individuals with a particular version of a gene—human leukocyte antigen (HLA)—have an increased risk for rheumatoid arthritis.
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Researchers have produced stable joint cartilage from adult stem cells originating from bone marrow. This was made possible by inducing specific molecular processes occurring during embryonic cartilage formation, as researchers ...
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When a RAS gene operates normally, it acts as an on/off switch for cell signaling to control cell proliferation. But when the gene mutates, the switch jams into the "on" position, allowing cells to proliferate uncontrollably.
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Using chemotherapy along with aptamers—lab-made molecules that function like antibodies—Duke Health researchers showed that they can zero in on and kill prostate cancer tumors in mice while leaving healthy tissue unscathed.
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Children infected with the malaria parasite Plasmodium were found to produce distinctive skin smells making them more attractive to malaria mosquitoes than uninfected children, according to new research published in Proceedings ...
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