Results 81 to 90 of about 13,512 (265)

When In Rome: Conformity and the Provision of Public Goods [PDF]

open access: yes
We ask whether conformity, copying the most observed behavior in a population, can affect free riding in a public goods situation. Our model suggests that, if free riding is sufficiently frequent at the start of a public goods game, conformity will ...
Jeffrey Carpenter
core  

Helmeted hornbill cranial kinesis: Balancing mobility and stability in a high‐impact joint

open access: yesThe Anatomical Record, EarlyView.
Abstract Prokinesis—in which a craniofacial joint allows the rostrum to move relative to the braincase—is thought to confer diverse advantages in birds, mostly for feeding. A craniofacial joint would, however, be a weak link if cranial stability is important. Paradoxically, we have identified a craniofacial joint in helmeted hornbills (Rhinoplax vigil),
Mike Schindler   +8 more
wiley   +1 more source

T. rex cognition was T. rex‐like—A critical outlook on diverging views of the neurocognitive evolution in dinosaurs

open access: yesThe Anatomical Record, EarlyView.
Abstract A recent debate has emerged between Caspar et al. (2024) and Herculano‐Houzel (2023) on inferring extinct dinosaur cognition by estimating brain neuron counts. While thought‐provoking, the discussion largely overlooks the function of cognition, as well as partly neglects the difficulties involved in estimating neuron numbers, which according ...
Thomas Rejsenhus Jensen   +7 more
wiley   +1 more source

Electron-magnon Umklapp Scattering in FePt Films Measured by Thermopower

open access: yes, 2016
We report unconventional thermopower (Seebeck coefficient, $S$) behavior of $L1_{0}$ FePt films. The electron diffusion and magnon scattering are found to be the major contributions to the thermopower at low temperatures. The temperature dependence of $S$
Hu, Guohan   +4 more
core  

Osteohistology of two phorusrhacids reveals uninterrupted growth strategy

open access: yesThe Anatomical Record, EarlyView.
Abstract Phorusrhacidae were apex predators that primarily dominated South America ecosystems for at least 40 million years with their imposing size and predatory lifestyle—yet some aspects of their biology remain poorly understood. Osteohistology is a tool for understanding growth dynamics and biomechanical adaptations.
Lotta Dreyer   +2 more
wiley   +1 more source

Researching on Head Car Crashworthiness of Inter-city EMUs

open access: yes机车电传动, 2013
With overall design ideas for crashworthy car body, referring to domestic and foreign crashworthiness design specifications and guidelines and combining with a certain inter-city EMUs, finite element models of inter-city EMUs head car collision were ...
LEI Cheng, XIAO Shou-ne, LUO Shi-hui
doaj  

Under the Shade of a Coolabah Tree: A Second Cache of Tulas From the Boulia District, Western Queensland

open access: yesArchaeology in Oceania, EarlyView.
ABSTRACT This paper reports on the excavation of a cache of stone artefacts, buried on the bank of a waterhole or ‘billabong’ in central western Queensland. This is an extremely rare find, and yet it is the second such site to be reported within less than a 10 km radius.
Yinika L. Perston   +5 more
wiley   +1 more source

Graman Revisited Once Again: A Reanalysis of the Late Holocene Legacy Faunal Assemblage From GB4 Rockshelter, New South Wales

open access: yesArchaeology in Oceania, EarlyView.
ABSTRACT The archaeological site Graman B4 provided one of the first records of substantial dietary change in ancient Australian Aboriginal society. Initial examination of the faunal remains from this site suggested that Late Holocene hunters reduced their focus on high‐ranked kangaroos to increasingly rely on arboreal possums; and that these ...
Loukas George Koungoulos   +2 more
wiley   +1 more source

Development of High-speed EMUs Based on Permanent Magnet Motor Traction System

open access: yes机车电传动, 2019
Based on the characteristics of permanent magnet motor traction system, the design principles of high-speed EMUs were expounded, and the design characteristics of traction converter and traction motor were discussed.
Donghua WU, Chuanming SUN
doaj  

Experimental Testbeds for ECOSEL: A Market Framework for Private Provision of Forest Ecosystem Services [PDF]

open access: yes
We attempt to design a market framework (which we call ECOSEL) for private provision of forest ecosystem services. ECOSEL is a non-regulatory framework that uses a voluntary public good provision mechanism (in a form of an auction) in conjunction with a ...
Ettl, Gregory J.   +2 more
core   +1 more source

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