Results 61 to 70 of about 4,728 (258)

Temporary Workers Are Not Free-Riders: An Experimental Investigation [PDF]

open access: yes, 2013
We conduct an artefactual field experiment to study whether the individual preferences and propensity to cooperate of temporary workers differ from permanent contract workers.
Dragone, Davide   +2 more
core   +2 more sources

Universal Electronic‐Structure Relationship Governing Intrinsic Magnetic Properties in Permanent Magnets

open access: yesAdvanced Functional Materials, EarlyView.
Permanent magnets derive their extraordinary strength from deep, universal electronic‐structure principles that control magnetization, anisotropy, and intrinsic performance. This work uncovers those governing rules, examines modern modeling and AI‐driven discovery methods, identifies critical bottlenecks, and reveals electronic fingerprints shared ...
Prashant Singh
wiley   +1 more source

Pairs of cleaner fish prolong interaction duration with client reef fish by increasing service quality [PDF]

open access: yes, 2017
We present field experiments showing that levels of cooperation quantitatively predict the duration of interactions between the cleaner wrasse and its reef fish clients.
Bshary, Redouan, Gingins, Simon
core  

Potential landscape-scale pollinator networks across Great Britain: structure, stability and influence of agricultural land cover [PDF]

open access: yes, 2018
Understanding spatial variation in the structure and stability of plant-pollinator networks, and their relationship with anthropogenic drivers, is key to maintaining pollination services and mitigating declines.
Asher   +94 more
core   +4 more sources

Facet‐Engineered S‐Scheme Heterostructure With Enhanced Active Sites for Efficient Photocatalytic Degradation of Organic Contaminants

open access: yesAdvanced Functional Materials, EarlyView.
The facet‐engineered ZnO/Zn3In2S6 heterostructure, dominated by {001} plane coupling, exposes abundant unsaturated Zn sites with elongated Zn─O bonds, directing photoexcited charge carriers along an S‐scheme pathway and suppressing recombination. Enhanced interfacial Zn adsorption toward bisphenol A and methylene blue further synergistically promotes ...
Yang Yang   +6 more
wiley   +1 more source

Cleaning in pairs enhances honesty in male cleaning gobies [PDF]

open access: yes, 2017
A recent game theoretic model akin to an iterated prisoner's dilemma explored situations in which 2 individuals (the service providers) interact simultaneously with the same service recipient (the client). If providing a dishonest service pays, then each
Bshary, Redouan   +2 more
core  

How threats influence the evolutionary resolution of within-group conflict. [PDF]

open access: yes, 2013
© University of Chicago Press. This is the final published version of the article, deposited in accordance with SHERPA RoMEO guidelines. Also available from: http://www.jstor.org/stable/10.1086/598489Most examples of cooperation in nature share a common ...
Cant, Michael A., Johnstone, RA
core   +1 more source

Frontier Advances of Emerging High‐Entropy Anodes in Alkali Metal‐Ion Batteries

open access: yesAdvanced Functional Materials, EarlyView.
Recent advances in microscopic morphology control of high‐entropy anode materials for alkali metal‐ion batteries. Abstract With the growing demand for sustainable energy, portable energy storage systems have become increasingly critical. Among them, the development of rechargeable batteries is primarily driven by breakthroughs in electrode materials ...
Liang Du   +14 more
wiley   +1 more source

Real‐Time 3D Ultrasound Imaging with an Ultra‐Sparse, Low Power Architecture

open access: yesAdvanced Healthcare Materials, EarlyView.
This article presents a novel, ultra‐sparse ultrasound architecture that paves the way for wearable real‐time 3D imaging. By integrating a unique convolutional array with chirped data acquisition, the system achieves high‐resolution volumetric scans at a fraction of the power and hardware complexity.
Colin Marcus   +9 more
wiley   +1 more source

Mutualistic relationships in evolution [PDF]

open access: yes, 2019
Mutualizam je interspecijski odnos koji podrazumijeva međusobnu korist partnera, te je neizostavni faktor svakog ekosustava. Cilj je ovog rada dati općeniti pregled mutualizma, od svojstava koja utječu na uspostavljanje odnosa, opasnosti koje prijete ...
Ćukušić, Anđela
core   +2 more sources

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