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A high-throughput ResNet CNN approach for automated grapevine leaf hair quantification.
Sci Rep
January 2025
Julius Kühn Institute (JKI), Federal Research Centre for Cultivated Plants, Institute for Grapevine Breeding Geilweilerhof, 76833, Siebeldingen, Germany.
The hairiness of the leaves is an essential morphological feature within the genus Vitis that can serve as a physical barrier. A high leaf hair density present on the abaxial surface of the grapevine leaves influences their wettability by repelling forces, thus preventing pathogen attack such as downy mildew and anthracnose. Moreover, leaf hairs as a favorable habitat may considerably affect the abundance of biological control agents.
View Article and Find Full Text PDFSybil Attack-Resistant Blockchain-Based Proof-of-Location Mechanism with Privacy Protection in VANET.
Sensors (Basel)
December 2024
Department of Information and Communication Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
In this paper, we propose a Proof-of-Location (PoL)-based location verification scheme for mitigating Sybil attacks in vehicular ad hoc networks (VANETs). For this purpose, we employ smart contracts for storing the location information of the vehicles. This smart contract is maintained by Road Side Units (RSUs) and acts as a ground truth for verifying the position information of the neighboring vehicles.
View Article and Find Full Text PDFThe reelection of Donald Trump for a second, nonconsecutive term as US president-mirroring only Grover Cleveland's 22nd and 24th presidencies after the Civil War-underscores a reality: Although his success stems partly from a willingness to tap into xenophobia, sexism, racism, transphobia, nationalism, and disregard for truth, his message resonates with a large portion of the American populace who feel alienated from America's governmental, social, and economic institutions. These include science and higher education. Winning back this disaffected group will require science leaders to foster and promote a more inclusive scientific landscape for all Americans and lay out how science can be successful under Trump.
View Article and Find Full Text PDF"They Only Silence the Truth": COVID-19 retractions and the politicization of science.
Public Underst Sci
October 2024
Northwestern University, USA.
Retracted COVID-19 articles have circulated widely on social media. Although retractions are intended to correct the scientific record, when trust in science is low, they may instead be interpreted as evidence of censorship or simply ignored. We performed a content analysis of tweets about the two most widely shared retracted COVID-19 articles, Mehra20 and Rose21, before and after their retractions.
View Article and Find Full Text PDFTruth and democracy in an era of misinformation.
Science
October 2024
School of Psychological Science, University of Bristol, Bristol, UK, and Department of Psychology, University of Potsdam, Potsdam, Germany.
Concern about misinformation and its toxic effects on democracy is widespread. A survey of nearly 1500 experts by the World Economic Forum ranked misinformation and disinformation (the latter being intentionally spread, whereas the former may arise accidentally) as the top global risk during the next 2 years. Examples of misinformation-fueled events abound.
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