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| Open AccessTrans-provincial health impacts of atmospheric mercury emissions in China
Mercury (Hg) is a global neurotoxic pollutant and has a long chain from economic activities to human health risks. Here the authors presented a map of Hg-related health risks in China and found significant impacts of interprovincial trade on health risks, such as the prevention of deaths from fatal heart attacks by the trade induced by final consumption.
- Long Chen
- , Sai Liang
- & Zhifeng Yang
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| Open AccessThe effect of publishing peer review reports on referee behavior in five scholarly journals
To increase transparency in science, some scholarly journals have begun publishing peer review reports. Here, the authors show how this policy shift affects reviewer behavior by analyzing data from five journals piloting open peer review.
- Giangiacomo Bravo
- , Francisco Grimaldo
- & Flaminio Squazzoni
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| Open AccessThe structured backbone of temporal social ties
Complex networks can be useful to describe social interactions but for large datasets one needs to identify significant links to extract information. While most existing methods work for static networks, here the authors propose a method to extract the backbone of significant links in temporal networks.
- Teruyoshi Kobayashi
- , Taro Takaguchi
- & Alain Barrat
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| Open AccessA scalable online tool for quantitative social network assessment reveals potentially modifiable social environmental risks
An individual’s social network—their friends, family, and acquaintances—is important for their health, but existing tools for assessing social networks have limitations. Here, the authors introduce a quantitative social network assessment tool on a secure open-source web platform and show its utility in a nation-wide study.
- Amar Dhand
- , Charles C. White
- & Philip L. De Jager
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| Open AccessUnderstanding 6th-century barbarian social organization and migration through paleogenomics
The Longobards invaded and conquered much of Italy after the fall of the Western Roman Empire. Here, the authors sequence and analyze ancient genomic DNA from 63 samples from two cemeteries associated with the Longobards and identify kinship networks and two distinct genetic and cultural groups in each.
- Carlos Eduardo G. Amorim
- , Stefania Vai
- & Krishna R. Veeramah
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| Open AccessSequences of purchases in credit card data reveal lifestyles in urban populations
Digital traces of our lives have the potential to allow insights into collective behaviors. Here, the authors cluster consumers by their credit card purchase sequences and discover five distinct groups, within which individuals also share similar mobility and demographic attributes.
- Riccardo Di Clemente
- , Miguel Luengo-Oroz
- & Marta C. González
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| Open AccessExploiting a cognitive bias promotes cooperation in social dilemma experiments
The decoy effect refers to the fact that the presence of a third option can shift people’s preferences between two other options even though the third option is inferior to both. Here, the authors show how the decoy effect can enhance cooperation in a social dilemma, the repeated prisoner’s dilemma.
- Zhen Wang
- , Marko Jusup
- & Stefano Boccaletti
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| Open AccessUniversal model of individual and population mobility on diverse spatial scales
Understanding and accurate prediction of human mobility is of increasing importance, but a universal framework is lacking. Here, the authors develop a unified model that accurately predicts both individual and population mobility and scaling behaviors on diverse spatial scales.
- Xiao-Yong Yan
- , Wen-Xu Wang
- & Ying-Cheng Lai
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| Open AccessCompetition among networks highlights the power of the weak
Network science and game theory have been traditionally combined to analyse interactions between nodes of a network. Here, the authors model competition for importance among networks themselves, and reveal dominance of the underdogs in the fate of networks-of-networks.
- Jaime Iranzo
- , Javier M. Buldú
- & Jacobo Aguirre