Results 71 to 80 of about 363,740 (285)

Mathematical Methods in Region-Based Theories of Space: The Case of Whitehead Points

open access: yesBulletin of the Section of Logic
Regions-based theories of space aim—among others—to define points in a geometrically appealing way. The most famous definition of this kind is probably due to Whitehead.
Rafał Gruszczyński
doaj   +1 more source

An RNA nanoparticle vaccine against Zika virus elicits antibody and CD8+ T cell responses in a mouse model

open access: yesScientific Reports, 2017
The Zika virus (ZIKV) outbreak in the Americas and South Pacific poses a significant burden on human health because of ZIKV’s neurotropic effects in the course of fetal development.
Jasdave S. Chahal   +6 more
doaj   +1 more source

Higher order Whitehead products and $L_\infty$ structures on the homology of a DGL

open access: yes, 2016
We detect higher order Whitehead products on the homology $H$ of a differential graded Lie algebra $L$ in terms of higher brackets in the transferred $L_\infty$ structure on $H$ via a given homotopy retraction of $L$ onto $H$.Comment: New references and ...
Belchí, Francisco   +3 more
core   +1 more source

Scheler and the Very Existence of the Impersonal

open access: yesEidos. A Journal for Philosophy of Culture, 2018
Usually philosophers worry about the existence of mind, or consciousness, or persons, or other difficult-to-explain phenomena. Having posited matter or nature, or fields, they wonder where can person or consciousness originate?
Randall E. Auxier
doaj   +1 more source

From Design to Implementation: NursingUP® Board Game for Positive Nursing Practice Environments

open access: yesResearch in Nursing &Health, EarlyView.
ABSTRACT Positive nursing practice environments are fundamental to patient safety, care quality, and nurses’ well‐being. However, few structured and evidence‐based interventions have been developed to actively strengthen these environments and foster collaboration among nursing teams.
Soraia Cristina de Abreu Pereira   +2 more
wiley   +1 more source

Fruit‐quality tradeoffs generate asymmetry in plant reliance on mutualistic frugivores

open access: yesOikos, EarlyView.
Seed dispersal is a fundamental ecological process influencing the evolution of plant life‐history strategies. In fleshy‐fruited plants dispersed by mutualistic frugivores, variation in fruit traits among closely related species may shape the temporal and spatial dynamics of dispersal events critical to population success.
João Vitor S. Messeder, Tomás A. Carlo
wiley   +1 more source

Proof of the volume conjecture for Whitehead chains

open access: yes, 2007
We prove the volume conjecture for an infinite family of links called Whitehead chains that generalizes both the Whitehead link and the Borromean rings.Comment: 11 pages, 1 figure.
van der Veen, Roland
core  

Temporal changes in the dietary niche of sympatric seals provides insight into the role of competition in population declines

open access: yesOikos, EarlyView.
Competition theory suggests that interspecific prey competition can result in changes to the dietary niche, but obtaining timeseries of data from sympatric species experiencing temporal variation in competition is challenging. Scotland is an important area for two species of seals, but over the past 20 years, populations of harbour seals Phoca vitulina
Izzy Langley   +7 more
wiley   +1 more source

WHİTEHEAD’DE METAFİZİK VEYA SPEKÜLATİF FELSEFE

open access: yesFırat Üniversitesi İlahiyat Fakültesi Dergisi, 2014
Alfred North Whitehead, özgün fikirleri ile modern felsefede büyük öneme sahip sistematik bir filozoftur. Yaşadığı dönemdeki bilimsel gelişmelere paralel olarak, gerçekliğin açıklanması noktasında yeni bir metafizik sistem geliştirmiştir.
Hüsamettin Yıldırım
doaj  

Genetic screens reveal a central role for heme metabolism in artemisinin susceptibility

open access: yesNature Communications, 2020
Artemisinin (ART) resistance poses a problem for malaria elimination. Here, the authors perform genome-wide CRISPR screens in Toxoplasma gondii and identify that the putative transporter Tmem14c and mitochondrial heme metabolism, through mitochondrial ...
Clare R. Harding   +10 more
doaj   +1 more source

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