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Economic impact of refugees | PNAS

The number of refugees under UN mandate reached an estimated 15.1 million in 2015, the highest level in 20 y . Most of these refugees are in camps located in less-developed countries neighboring the refugees’ country of origin. Controversy surrounds the impacts of refugees on host economies (5 ⇓ –7).

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Social relationships and physiological determinants ... - PNAS

A total of 7,108 participants aged 25–74 were recruited for the original study in 1995–96 (wave I) by random digit dialing. Phone interviews and self-administered questionnaires were completed by MIDUS participants. The wave II data were collected 9–10 y later (2004–2006), with a mortality-adjusted retention rate of 75% . The ...

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Examining the effects of birth order on personality | PNAS

This idea was bolstered by the correlation between IQ scores and intellect in our study (r = 0.32, P < 0.001, in the combined between-family sample), a finding that matches meta-analytical findings on the correlation between self-estimated and objectively measured intelligence . To test whether the birth-order effect on self-reported intellect ...

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Reduction of cytosolic phospholipase A2α upregulation ...

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Scale bars in the insets = 20 μm. The mean ± SEM of number of monocytes and of percentage of the cell area is presented in the bar graphs (n = 8 for each time point, five fields were analyzed for each mouse). *p < 0.001—significance in comparison to week 19

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Initial contact shapes the perception of friction | PNAS

Humans have the remarkable ability to manipulate a large variety of objects, regardless of how fragile, heavy, or slippery they are. To correctly scale the grip forces, the nervous system gauges the slipperiness of the surface. This information is present at the instant we first touch an object, even before any lateral force develops. However, how friction could be …

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Kinematic self-replication in reconfigurable organisms | PNAS

The null hypothesis is that the number of generations of self-replication achieved by the semitoroids (2, 3, and 4 g) was no greater than the number of generations produced by the wild-type spheroids (1, 1, 1, 1, and 2 g) (P = 0.019).

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Jure Leskovec: Publications - Stanford University Computer ...

Publications (in chronological order) 2021; Postmortem memory of public figures in news and social media.R. West, J. Leskovec, C. Potts. Proceedings of the National Academy of Sciences (PNAS), 2021. Supporting COVID-19 policy response with large-scale mobility-based modeling.

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Network-based forecasting of climate phenomena | PNAS

Network theory, as emerging from complex systems science, can provide critical predictive power for mitigating the global warming crisis and other societal challenges. Here we discuss the main differences of this approach to classical numerical modeling and highlight several cases where the network approach substantially improved the prediction of high …

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The Golden Rice Project

Allow Golden Rice to save lives Opinion. An Opinion paper by Felicia Wu and colleagues, published in the Proceedings of the National Academy of Sciences USA (PNAS) in December 2021, notes that 20 years after Golden Rice was first obtained by Ingo Potrykus and Peter Beyer, the tragedy we face is that this brilliant scientific success is opaqued by regulatory delays that have only …

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Small-scale urban agriculture results in high ... - PNAS

Only one of the gardeners who completed the year of recording was a horticultural professional, with the rest having unrelated occupations. Despite this, many gardeners had a large amount of experience with gardening, with the mean and median number of years that the gardeners had been involved in the practice being 20.96 y and 20 y, respectively.

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PNAS - Proceedings of the National Academy of Sciences of ...

There are so many papers coming out in the largest fields of science that new ideas can’t get a foothold, according to a recent study in PNAS. Researchers analyzed citation trends for 90 million papers and found that in very … Continue reading →

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PNAS Nexus | Oxford Academic

About PNAS Nexus. PNAS Nexus is an open access scientific journal committed to the timely dissemination of innovative and scientifically rigorous research from across the sciences, including biological, health, and medical sciences; social and political sciences; and physical sciences and engineering. The journal's first issue will publish in March 2022.

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Scientists weighed all life on Earth. It’s mind-boggling ...

The authors of the PNAS article estimate that the mass of wild land mammals is seven times lower than it was before humans arrived (keep in mind it’s difficult to estimate the exact history of ...

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Insects and the origins of consciousness | Hacker News

Insects and the origins of consciousness (pnas.org) 10 points by hardmaru 3 hours ago | hide | past | favorite | 1 comment: hardmaru 43 minutes ago. This article is from 2015, and there's some good discussion about it on this thread: ...

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