• 西安事变后红军进驻三原 2019-01-30
  • 新疆规范法律服务事中事后监管 实现科学有效监管 2019-01-30
  • Skip to main content
    • Submit
    • About
      • Editorial Board
      • PNAS Staff
      • FAQ
      • Rights and Permissions
      • Site Map
    • 广东快乐十分投注下载:Contact
    • Journal Club
    • Subscribe
      • Subscription Rates
      • Subscriptions FAQ
      • Open Access
      • Recommend PNAS to Your Librarian
    • Log in
    • My Cart

    Main menu

    • 广东快乐十分投注下载
    • Articles
      • Current
      • Latest Articles
      • Special Features
      • Colloquia
      • Collected Articles
      • PNAS Classics
      • Archive
    • Front Matter
    • News
      • For the Press
      • Highlights from Latest Articles
      • PNAS in the News
    • Podcasts
    • Authors
      • Information for Authors
      • Purpose and Scope
      • Editorial and Journal Policies
      • Submission Procedures
      • For Reviewers
      • Author FAQ
    • Submit
    • About
      • Editorial Board
      • PNAS Staff
      • FAQ
      • Rights and Permissions
      • Site Map
    • 广东快乐十分投注下载:Contact
    • Journal Club
    • Subscribe
      • Subscription Rates
      • Subscriptions FAQ
      • Open Access
      • Recommend PNAS to Your Librarian

    User menu

    • Log in
    • My Cart

    Search

    • Advanced search
    广东快乐十分投注下载
    Home

    Advanced Search

    • 广东快乐十分投注下载
    • Articles
      • Current
      • Latest Articles
      • Special Features
      • Colloquia
      • Collected Articles
      • PNAS Classics
      • Archive
    • Front Matter
    • News
      • For the Press
      • Highlights from Latest Articles
      • PNAS in the News
    • Podcasts
    • Authors
      • Information for Authors
      • Purpose and Scope
      • Editorial and Journal Policies
      • Submission Procedures
      • For Reviewers
      • Author FAQ

    New Research In

    Physical Sciences

    Featured Portals

    • Physics
    • Chemistry
    • Sustainability Science

    Articles by Topic

    • Applied Mathematics
    • Applied Physical Sciences
    • Astronomy
    • Computer Sciences
    • Earth, Atmospheric, and Planetary Sciences
    • Engineering
    • Environmental Sciences
    • Mathematics
    • Statistics

    Social Sciences

    Featured Portals

    • Anthropology
    • Sustainability Science

    Articles by Topic

    • Economic Sciences
    • Environmental Sciences
    • Political Sciences
    • Psychological and Cognitive Sciences
    • Social Sciences

    Biological Sciences

    Featured Portals

    • Sustainability Science

    Articles by Topic

    • Agricultural Sciences
    • Anthropology
    • Applied Biological Sciences
    • Biochemistry
    • Biophysics and Computational Biology
    • Cell Biology
    • Developmental Biology
    • Ecology
    • Environmental Sciences
    • Evolution
    • Genetics
    • Immunology and Inflammation
    • Medical Sciences
    • Microbiology
    • Neuroscience
    • Pharmacology
    • Physiology
    • Plant Biology
    • Population Biology
    • Psychological and Cognitive Sciences
    • Sustainability Science
    • Systems Biology
    • Volume 115, Issue 47: View articles in the latest issue of PNAS.
      Volume 115, Issue 47: View articles in the latest issue of PNAS.
    • Click here to view selections in the latest issue of PNAS.
      Click here to view selections in the latest issue of PNAS.
    • Latest in ecology: How a parasite adapts signaling and behavior to exploit different hosts. Click to read more. Image courtesy of Leslie Saul-Gershenz.
      Latest in ecology: How a parasite adapts signaling and behavior to exploit different hosts. Click to read more. Image courtesy of Leslie Saul-Gershenz.
    • Click here to learn more about Open Access at PNAS.
      Click here to learn more about Open Access at PNAS.
    • 1
    • 2
    • 3
    • 4

    Front Matter

    Environmental factors, not genes constitute most disease risk. Myriad approaches are attempting to use the latest science and technology to more clearly reveal the complex mix of pollutants that contribute. Image courtesy of Aclima/Google.
    News Feature: Exposing the exposome to elucidate disease
    Environmental factors, not genes constitute most disease risk. Myriad approaches are attempting to use the latest science and technology to more clearly reveal the complex mix of pollutants that contribute.
    Image courtesy of Aclima/Google.
    Cultural and scientific challenges suggest that the notion of restoring significant amounts of carbon to soils is an overly optimistic and inherently flawed proposition. Image courtesy of ScienceSource/Jerry Irwin.
    Opinion: Soil carbon sequestration is an elusive climate mitigation tool
    Cultural and scientific challenges suggest that the notion of restoring significant amounts of carbon to soils is an overly optimistic and inherently flawed proposition.
    Image courtesy of ScienceSource/Jerry Irwin.
    Journal Club: Key protein family helps govern sense of touch in both plants and animals
    Journal Club: Key protein family helps govern sense of touch in both plants and animals
    All Front Matter

    In the News

    Wild Cannabis plant, near Bura, Kazakhstan. Image courtesy of David Poché.
    Sand flies appear to have affinity for marijuana
    Blood-sucking sand flies from disparate global regions have a predilection for feeding on the marijuana plant (Cannabis sativa), and the findings hint at a potential avenue for controlling sand flies, which can transmit leishmaniasis.
    Image courtesy of David Poché.
    Anthropogenic fraction of the total calcite dissolution at the seafloor in 2002.  Image courtesy of Olivier Sulpis.
    Human activity and calcite dissolution at the seafloor
    A study explores human impacts on the composition of deep-sea sediments and, consequently, the geological record, and finds significant anthropogenic contribution to calcium carbonate dissolution at the seafloor.
    Image courtesy of Olivier Sulpis.
    广东快乐十分投注下载:Climate change and mountaintop extinctions
    A study suggests that climate change is driving high-elevation tropical species to extinction, with species moving to progressively higher elevations until they run out of habitat.
    Image courtesy of Graham Montgomery (University of Connecticut, Storrs, CT).
    All News
    Proceedings of the National Academy of Sciences: 115 (47)
    Current Issue

    Submit

    Sign up for Article Alerts

    Science Sessions Podcasts

    Chryssa Kouveliotou describes her efforts to compile a detailed X-ray map of the galactic plane.
    Mapping the galactic plane in X-rays
    Chryssa Kouveliotou describes her efforts to compile a detailed X-ray map of the galactic plane.
    Listen
    Past PodcastsSubscribe

    FEATURED QnAs

    Featured QnAs
    PNAS QnAs with Helmut Schwarz

    Latest Articles

    • Structural snapshots of OxyR reveal the peroxidatic mechanism of H2O2 sensing
      Nov 21, 2018
    • A2A adenosine receptor functional states characterized by 19F-NMR
      Nov 21, 2018
    • Germline genetic polymorphisms influence tumor gene expression and immune cell infiltration
      Nov 21, 2018
    • Individual synaptic vesicles mediate stimulated exocytosis from cochlear inner hair cells
      Nov 21, 2018
    • Tissue-specific contributions of Tmem79 to atopic dermatitis and mast cell-mediated histaminergic itch
      Nov 21, 2018
    View more published ahead of print articles
    • Most Read
    • Most Cited
    Loading
    • Future population and human capital in heterogeneous India
    • Climate-driven declines in arthropod abundance restructure a rainforest food web
    • Trajectories of the Earth System in the Anthropocene
    • Glyphosate perturbs the gut microbiota of honey bees
    • Distinct facial expressions represent pain and pleasure across cultures
    More...
    广东快乐十分投注下载
    Powered by HighWire
    • Submit Manuscript
    • Twitter
    • Facebook
    • RSS Feeds
    • Email Alerts

    Articles

    • Current Issue
    • Latest Articles
    • Archive

    PNAS Portals

    • Classics
    • Front Matter
    • Teaching Resources
    • Anthropology
    • Chemistry
    • Physics
    • Sustainability Science

    Information

    • Authors
    • Editorial Board
    • Reviewers
    • Press
    • Site Map

    Feedback    Privacy/Legal

    Copyright © 2018 National Academy of Sciences.

  • 西安事变后红军进驻三原 2019-01-30
  • 新疆规范法律服务事中事后监管 实现科学有效监管 2019-01-30