Results 11 to 20 of about 22,134 (184)

Insight on the Intracellular Supramolecular Assembly of DTTO: A Peculiar Example of Cell‐Driven Polymorphism

open access: yesAdvanced Materials, Volume 35, Issue 42, October 19, 2023., 2023
Within live cells, DTTO molecules form amorphous spherical clusters which subsequently accumulate, coalesce, and lead to the formation of fibrous crystals interconnecting different cells. Remarkably, cells produce a distinctive crystalline form, that is, a bio‐polymorph, which cannot be replicated outside cells.
Ludovico Aloisio   +15 more
wiley   +1 more source

Family Planning and the Long Eighteenth‐Century Pocketbook

open access: yesJournal for Eighteenth-Century Studies, Volume 46, Issue 1, Page 113-133, March 2023., 2023
Abstract Eighteenth‐century medical literature recommended that women record their menstrual cycles to identify dates of conception, measure gestation, and predict delivery. Women's pocketbooks were natural repositories of such pregnancy‐related data. This article charts the history of women's pocketbooks providing printed affordances for menstruation,
Helen Williams
wiley   +1 more source

Beyond Carbon: The Contributions of South American Tropical Humid and Subhumid Forests to Ecosystem Services

open access: yesReviews of Geophysics, Volume 60, Issue 4, December 2022., 2022
Abstract Tropical forests are recognized for their role in providing diverse ecosystem services (ESs), with carbon uptake the best recognized. The capacity of tropical forests to provide ESs is strongly linked to their enormous biodiversity. However, causal relationships between biodiversity and ESs are poorly understood.
L. S. Borma   +13 more
wiley   +1 more source

Discussões em aulas de física sobre a participação de mulheres na ciência, a partir da obra Diálogos sobre a Pluralidade dos Mundos

open access: yesAlexandria, 2021
Em 1686, Bernard de Fontenelle escreveu a obra Diálogos Sobre A Pluralidade dos Mundos, na forma de diálogos entre um filósofo e uma marquesa fictícios, com vistas a divulgar o sistema de Copérnico e os vórtices de Descartes para o público leigo.
Juliana Cilento, Andreia Guerra
doaj   +1 more source

Focus variation due to near infrared laser in a confocal microscope

open access: yesMicroscopy Research and Technique, Volume 85, Issue 10, Page 3431-3438, October 2022., 2022
Variation of focus position provoked by a continuous wave laser of 810‐nm wavelength introduced along the optical path of an inverted confocal microscope with an oil immersion ×60 objective. When the laser is turned on or off, the focus position drifts toward lower or high values of the vertical coordinate z, respectively.
Melissa Matrecitos‐Avila   +5 more
wiley   +1 more source

Quantum Simulating the Electron Transport in Quantum Cascade Laser Structures

open access: yesAdvanced Quantum Technologies, Volume 4, Issue 10, October 2021., 2021
Made by stacking tailored quantum wells, quantum cascade lasers are presently designed using mostly classical numerical tools. Nowadays, cold atom experiments provide a platform for full quantum simulation of key aspects, such as the electronic transport.
Andrea Trombettoni   +7 more
wiley   +1 more source

Ad orientem: Las iglesias románicas del Camino Francés en los reinos de Castilla y León bajo la perspectiva de la Astronomía Cultural

open access: yesArqueología de la Arquitectura, 2021
En este trabajo se examina, desde la perspectiva de la Astronomía Cultural, si las iglesias románicas del Camino de Santiago siguen un patrón de orientación común a todas ellas.
Maitane Urrutia-Aparicio   +2 more
doaj   +1 more source

Thirty Meter Telescope Site Testing I: Overview [PDF]

open access: yes, 2009
As part of the conceptual and preliminary design processes of the Thirty Meter Telescope (TMT), the TMT site testing team has spent the last five years measuring the atmospheric properties of five candidate mountains in North and South America with an ...
Blum, R.   +17 more
core   +2 more sources

De la astroarqueología a la astronomía cultural

open access: yesTrabajos de Prehistoria, 1994
El autor bosqueja las relaciones entre el estudio de las prácticas calendáricas y astronómicas y el contexto sociocultural al que corresponden durante los últimos treinta años.
Stanislaw Iwaniszewski
doaj   +1 more source

Saberes indígenas sobre os céus: astronomia cultural em documentos educacionais brasileiros

open access: yes#Tear: Revista de Educação, Ciência e Tecnologia, 2020
Resumo: O objetivo deste trabalho é analisar o espaço ocupado por saberes sobre os céus indígenas em documentos educacionais nacionais e do estado do Amazonas. A metodologia tem abordagem qualitativa e os documentos selecionados para análise foram: Parâmetros Curriculares Nacionais, Base Nacional Comum Curricular, Propostas Curriculares do Estado do ...
Márdila Alves Bueno   +3 more
openaire   +2 more sources

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