Results 51 to 60 of about 6,726 (213)

Bee morphology: A skeletomuscular anatomy of Thyreus (Hymenoptera: Apidae)

open access: yesJournal of Morphology, Volume 285, Issue 8, August 2024.
Using microcomputed tomography, we present an in‐depth investigation of the skeletomuscular anatomy of the cuckoo bee Thyreus albomaculatus. We illustrate and discuss the complete skeleton plus 199 muscles that were identified, including details of the maxillolabial complex and cephalic endoskeleton, as well as the description of new muscle groups in ...
Odair M. Meira   +5 more
wiley   +1 more source

Drone congregations in Meliponini: what do they tell us?

open access: yesBioscience Journal, 2007
At some point during their life, meliponine males leave their nests and form congregations which can be made up of tens up to several hundreds of individuals.
Marilda Cortopassi-Laurino
doaj  

Analysis of academic results from implementation of a flipped learning methodology in a subject in higher engineering education

open access: yesEuropean Journal of Education, Volume 59, Issue 2, June 2024.
Abstract Flipped learning (FL) has positive effects on the teaching–learning process. Nevertheless, and given that it is a relatively new methodology, it still raises some misgivings. This work aims to highlight the potential of FL by the analysis of academic results in a subject in higher engineering education and, thus, to contribute to overcome ...
Jesús Galindo‐Melero   +3 more
wiley   +1 more source

Características físico-químicas e atividade antimicrobiana de extratos de própolis da Paraíba, Brasil Physicochemical characteristics and antimicrobial activity of the extracts propolis of the Paraiba, Brazil

open access: yesCiência Rural, 2006
Objetivou-se com esta pesquisa analisar a própolis produzida por abelhas Apis mellifera L. no Estado da Paraíba, colhida pelo método de tela plástica, determinando-se a composição físico-química e a atividade antimicrobiana conforme o período de colheita
Rosilene Agra da Silva   +5 more
doaj   +1 more source

Avaliação da ação antimicrobiana da própolis comercial

open access: yesPubvet, 2022
O objetivo do presente artigo foi avaliar se a própolis comercial é eficiente em inibir o crescimento bacteriano in vitro das bactérias Staphylococcus aureus e Salmonella Typhimurium, sendo que o delineamento experimental constituído por esquema fatorial
Luana Gomes Pereira, Margareti Medeiros
doaj   +1 more source

Cucos, formigas, abelhas e a evolução dos instintos [PDF]

open access: yesBoletim do Museu Paraense Emílio Goeldi. Ciências Humanas, 2012
Neste artigo, abordo o capítulo VII de "A Origem das Espécies" (Instinto), no qual Charles Darwin efetua uma aplicação da teoria da evolução por seleção natural ao domínio dos instintos, inaugurando a análise biológica do comportamento. Darwin pretendeu mostrar a possibilidade de uma evolução gradual no caso de exemplos complexos como o parasitismo de ...
openaire   +4 more sources

A dynamic framework to align company climate reporting and action with global climate targets

open access: yesBusiness Strategy and the Environment, Volume 33, Issue 4, Page 3103-3128, May 2024.
Abstract There are global aspirations to reach net zero emissions, which triggered the development of standards, guidance and tools to measure and manage climate action across countries, sectors and companies. However, carbon accounting inaccuracies, ambiguous emissions disclosures and unambitious climate targets are hampering these aspirations.
Anna Christy   +4 more
wiley   +1 more source

Primeiro registro de Eufriesea laniventris (Ducke, 1902) (Hymenoptera, Apidae, Euglossini) no Amazonas, Brasil First record of Eufriesea laniventris (Ducke, 1902) (Hymenoptera, Apidae, Euglossini) in the state of Amazonas, Brazil

open access: yesActa Amazonica, 2004
É registrada pela primeira vez a ocorrência de Eufriesea laniventris no Amazonas. No ano 2000, foram coletados seis exemplares na região de Manaus (2º 36' S e 60º 02' W) atraídos pelas substâncias odoríferas 1,8 cineol e salicilato de metila.The first ...
Eliana Fernandez Storti   +2 more
doaj   +1 more source

Transfer of Tool Affordance and Manipulation Cues with 3D Vision Data [PDF]

open access: yesarXiv, 2017
Future service robots working in human environments, such as kitchens, will face situations where they need to improvise. The usual tool for a given task might not be available and the robot will have to use some substitute tool. The robot needs to select an appropriate alternative tool from the candidates available, and also needs to know where to ...
arxiv  

An exploratory research report on brain mineralization in postoperative delirium and cognitive decline

open access: yesEuropean Journal of Neuroscience, Volume 59, Issue 10, Page 2646-2664, May 2024.
Abstract Delirium is a severe postoperative complication associated with poor overall and especially neurocognitive prognosis. Altered brain mineralization is found in neurodegenerative disorders but has not been studied in postoperative delirium and postoperative cognitive decline.
Florian Lammers‐Lietz   +12 more
wiley   +1 more source

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