Results 51 to 60 of about 3,126 (210)

Darwin and Lotka: Two Concepts of Population

open access: yesDemographic Research, 2009
Population was the subject of two major conceptual developments in the second quarter of the 20th century. Both were inspired by evolutionary biology.
Philip Kreager
doaj  

Speciation with gene flow

open access: yesPLANTS, PEOPLE, PLANET, EarlyView.
Biodiversity is threatened by human activities, with extinction debt accumulating rapidly. Many of these activities change the connectivity of populations, fragmenting existing population systems or bringing previously isolated populations or species into contact.
Zhiqin Long   +7 more
wiley   +1 more source

A Review of the Evolution of Geography from Non-science to Science Discipline since the History of Geographic Thought

open access: yesWest African Journal of Open and Flexible Learning, 2020
Drawing from secondary data, the paper reviewed the evolution of geography from non-science to science discipline since the history of geographic thought.
Henry U Agbebaku
doaj  

Transport engineering as a strategy to realize rapeseed's potential as a protein‐rich food

open access: yesPest Management Science, EarlyView.
The heavily pesticide‐dependent rapeseed is an under‐utilized protein source for food owing to anti‐nutritional glucosinolates. Transport engineering technology may reduce glucosinolates in seeds while increasing defense in vegetative parts. Abstract Rapeseed is the world's second‐largest oilseed crop, and the low‐value press cake that remains after ...
Jakob Skytte Thorsen   +2 more
wiley   +1 more source

Factory and Plant Production in the Focus of Educational Excursions Undertaken by Ukrainian Students in the Late 19th — Early 20th Century

open access: yesКиївські історичні студії
Currently, it has been defined as a task of Ukrainian schools to motivate students to pursue studies in natural sciences and engineering. The aim of this article is to examine educational excursions undertaken by Ukrainian students to factories and ...
Oksana Drach
doaj   +1 more source

Formal Semantics: Origins, Issues, Early Impact

open access: yesThe Baltic International Yearbook of Cognition, Logic and Communication, 2010
Formal semantics and pragmatics as they have developed since the late 1960's have been shaped by fruitful interdisciplinary collaboration among linguists, philosophers, and logicians, among others, and in turn have had noticeable effects on developments ...
Barbara H. Partee
doaj   +1 more source

From Attitudes to Science Identity: A Critique of the Science Identity Construct in the PISA 2025 Science Framework

open access: yesScience Education, EarlyView.
ABSTRACT Science identity (SI) has gained increasing prominence in science education research due to its potential role in fostering student engagement, motivation, and persistence in STEM pathways. However, its conceptualization remains varied and contested, complicating both measurement and curricular implementation.
Antonio García‐Carmona   +1 more
wiley   +1 more source

Exploratory Analysis of Sustainable Consumption and Production Factors in Services: Insights From Four Case Studies Using Interpretive Structural Modeling

open access: yesSustainable Development, EarlyView.
ABSTRACT This study investigates how 14 sustainable consumption and production (SCP) factors interact across four service categories—Mass Service, Professional Service, Service Factory, and Service Shop—using interpretive structural modeling (ISM). ISM enables the identification and hierarchical classification of interdependencies among SCP factors in ...
Amanda Duarte Feitosa   +4 more
wiley   +1 more source

What's Inside the Green Bag? An Analysis of the Eco‐Design Options and a Visual Tool for the Development of Sustainable Fashion Accessories

open access: yesSustainable Development, EarlyView.
ABSTRACT Integrating eco‐design practices in product development from the start is essential for fashion accessories like bags and backpacks, which involve complex manufacturing, diverse materials, and strong socio‐cultural meanings. Building on this premise and drawing from the Lifecycle Design Strategy Wheel, this study aims to characterize the eco ...
Francesco Paolo Lagrasta   +2 more
wiley   +1 more source

A educação matemática e os estudos históricos comparativos A educação matemática e os estudos históricos comparativos Mathematics education and comparative historical studies

open access: yesHistoria de la Educación, 2013
Este texto tem por objetivos: caracterizar a área de pesquisa denominada «história da educação matemática» e defender a idéia de que a educação matemática constitui tema privilegiado de pesquisa no âmbito dos estudos históricos comparativos.
Wagner RODRIGUES VALENTE
doaj  

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