Results 101 to 110 of about 1,144,709 (228)

Natural optical activity and its control by electric field in electrotoroidic systems [PDF]

open access: yes, 2013
We propose the existence, via analytical derivations, novel phenomenologies, and first-principles-based simulations, of a new class of materials that are not only spontaneously optically active, but also for which the sense of rotation can be switched by
Bellaiche, L.   +6 more
core   +3 more sources

Registro bibliográfico

open access: yes, 1993
Em As Cores do Discurso, a Prof'. Dra. Lúcia Teixeira (UFF) analisa 45 textos de críticos de arte, publicados, nos anos de 1990 e 1991, nas revis¬tas Veja, Isto é, Galeria e Guia das Artes, identificando-os quanto à data de publicação, nome do crítico e do artista contemplado (veja-se "Nota Pré¬via", p. 13). [...]
Elia, Sílvio, Bechara, Evanildo
openaire   +16 more sources

Serpientes de importancia médica y accidentes ofídicos en el municipio de Tezonapa, Veracruz (2003-2016)

open access: yesRevista Biológico Agropecuaria Tuxpan, 2017
Se elaboró un estudio retrospectivo y descriptivo de los accidentes ofídicos ocurridos en el período de enero del 2003 a noviembre del 2016 en el municipio de Tezonapa, así como identificar las especies de serpientes de importancia médica ocurren en ...
Diego Almaraz Vidal
doaj   +1 more source

Genomic Insights Into Host Shifts Between Plasmodium vivax and Plasmodium simium in Latin America

open access: yesEvolutionary Applications, Volume 19, Issue 3, March 2026.
ABSTRACT Malaria in Latin America is largely caused by Plasmodium vivax, but the closely related monkey parasite Plasmodium simium has recently been observed in humans, thus raising new public health concerns. By screening 719 monkey samples from five Latin America countries, we identified 23 Plasmodium‐positives.
Margaux J. M. Lefebvre   +16 more
wiley   +1 more source

Optimized LTE Data Transmission Procedures for IoT: Device Side Energy Consumption Analysis

open access: yes, 2017
The efficient deployment of Internet of Things (IoT) over cellular networks, such as Long Term Evolution (LTE) or the next generation 5G, entails several challenges.
Ameigeiras, Pablo   +4 more
core   +2 more sources

Entre o Pântano e o Progresso: O bairro da Ribeira no processo de modernização urbana em Natal/RN (séculos XIX e XX)

open access: yesRegistros
O artigo examina o processo de conformação do bairro da Ribeira, em Natal, como centro socioeconômico entre fins do século XIX e início do XX, a partir da relação entre técnica e natureza. Inserido num contexto de modernização urbana e inserção da cidade
Yuri Simonini
doaj  

Confirmación de la presencia de Rutela versicolor Latreille, 1833 (Coleoptera: Scarabaeidae: Rutelinae) en Perú

open access: yesGraellsia, 2018
Con base en colectas realizadas en cuatro distritos de la región Tumbes se presentan los primeros registros precisos para Rutela versicolor Latreille, 1833 (Scarabaeidae: Rutelinae) en Perú, confirmando la presencia de esta especie en territorio peruano.
Pedro Castillo, Gino Juárez
doaj   +1 more source

Social media highlights the overlooked impact of cats on arthropods

open access: yesInsect Conservation and Diversity, Volume 19, Issue 2, Page 460-465, March 2026.
The impact of domestic cats on vertebrate biodiversity is unequivocal; however, we still know little about their effects on arthropods. By analysing over 17,000 photos and videos from social media platforms (iStock and TikTok), we documented 550 predation events of cats on arthropods.
Leticia Alexandre, Raul Costa‐Pereira
wiley   +1 more source

Treehoppers (Hemiptera: Aetalionidae and Membracidae) from Madre de Dios region, Peru [PDF]

open access: yes, 2019
A list of treehoppers (Aetalionidae and Membracidae) is presented from Madre de Dios region at the southeastern Amazon basin in Peru. The treehopper specimens were collected as by-catch in a survey of the beetles in the Villa Carmen Biological Station ...
Chaboo, Caroline S.   +4 more
core   +1 more source

Beyond species means – the intraspecific contribution to global wood density variation

open access: yesNew Phytologist, Volume 249, Issue 6, Page 2630-2651, March 2026.
Summary Wood density is central for estimating vegetation carbon storage and a plant functional trait of great ecological and evolutionary importance. However, the global extent of wood density variation is unclear, especially at the intraspecific level. We assembled the most comprehensive wood density collection to date, including 109 626 records from
Fabian Jörg Fischer   +105 more
wiley   +1 more source

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