Results 41 to 50 of about 1,692,503 (216)

Occurrence of multiple congenital anomalies in Potamotrygon amandae (Elasmobranchii, Potamotrygoninae) embryos, including the first report of bicephaly

open access: yesJournal of Fish Biology, EarlyView.
Abstract Reports of teratogenic embryos in elasmobranchs have been documented in multiple species, with proposed aetiologies including environmental disturbances, genetic mutations, predation, exposure to endocrine‐disrupting compounds and maternal stress.
Douglas de Castro Ribeiro   +2 more
wiley   +1 more source

Non-Specialists Perception about Endokarst and Exokarst Scenarios: Visions from High School Students

open access: yesActa Carsologica, 2007
The aim of this work is to recover some methodological aspects of the study about the mind representations of caves in Brazil. The basis of this research consisted of one essay, approaching the social representations of a particular group of high school ...
Luiz Eduardo Panisset Tavassos   +3 more
doaj   +1 more source

Recent Progress on Natural Rubber-Based Materials Containing Metallic and Metal Oxide Nanoparticles: State of the Art and Biomedical Applications

open access: yesCompounds, 2023
Diseases caused by infections are becoming harder to treat as the antibiotics used become less effective. A combination of strategies to develop active biomaterials that enhance antibacterial effects are desirable, especially ones that cause fewer side ...
Nayrim B. Guerra   +8 more
doaj   +1 more source

Da inquietude ao conhecimento [PDF]

open access: yes, 2006
Partindo do pressuposto de que uma das principais funções da Educação é precisamente a de educar cada ser humano para usar racionalmente a sua liberdade, consideramos que a Educação desempenha um papel fulcral.
Gonçalves, Daniela
core  

Descolonizando Decolonizing Linguistics, or the Perils of Refusing Pero no Mucho

open access: yesJournal of Sociolinguistics, EarlyView.
Kakaretso Tshekatsheko eno e e tseneletseng ya Decolonizing Linguistics e baya kgatiso eno mo gare ga dikganetsano tsa Amerika Borwa ka ga sekolone go botsolotsa melelwane ya dipuisano tsa segompieno tsa go tlosa bokolone mo thutapuong ya Seesemane. Ke ikaegile ka tshekatsheko ya ga Cusicanqui ya mogopolo wa go ganetsa sekolone, le mogopolo wa ga Bispo,
Rodrigo Borba
wiley   +1 more source

Liderança autêntica: uma revisão integrativa

open access: yesNavus: Revista de Gestão e Tecnologia, 2015
Liderança autêntica é uma das principais teorias de liderança surgidas nos últimos dez anos. Ela sepropõe a construir organizações mais autênticas, com líderes mais autoconscientes e relações maistransparentes e éticas.
Aulina Judith Folle Esper   +1 more
doaj   +1 more source

CONHECIMENTO, CONHECIMENTO ESCOLAR E DISCURSO PEDAGÓGICO

open access: yesPeriferia, 2018
Discutimos alguns trabalhos que se debruçam sobre os sentidos do conhecimento aliado ao conhecimento escolar. Pretendemos apresentar ideias centrais dos referenciais abordados, procurando identificar tencionamentos neles presentes, bem como as contribuições trazidas à compreensão dos mecanismos de produção e legitimação daquilo que se entende por ...
openaire   +2 more sources

O auto-conhecimento e auto-representação através das Artes Visuais [PDF]

open access: yes, 2010
O Auto-conhecimento acompanha-nos ao longo das nossas vidas, mas é na fase da adolescência que este conhecimento é mais visível, significativo e por vezes doloroso.
Almeida, António   +3 more
core  

Phytochemical and Biological Evaluation of Leaves, Stems, and Roots of Schinus weinmanniifolia Mart. Ex Engl.

open access: yesChemistry &Biodiversity, Volume 23, Issue 3, March 2026.
Ethanolic extracts from leaves, stems, and roots of Schinus weinmanniifolia Mart. ex Engl. were evaluated for phytochemical composition and biological activities. The extracts exhibited antioxidant, photoprotective, and antimicrobial activity, without hemolytic effects or cytotoxicity at active concentrations. Syringic acid, epicatechin, and rutin were
João Andrade   +14 more
wiley   +1 more source

An Overview of Lithium-Ion Battery Recycling: A Comparison of Brazilian and International Scenarios

open access: yesWorld Electric Vehicle Journal
Purely electric and hybrid vehicles are emerging as the transport sector’s response to meet climate goals, aiming to mitigate global warming. As the adoption of transport electrification increases, the importance of recycling components of the electric ...
Jean Furlanetto   +4 more
doaj   +1 more source

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