Results 11 to 20 of about 90,190 (201)

Mineral dust increases the habitability of terrestrial planets but confounds biomarker detection

open access: yesNature Communications, 2020
In this study, the authors investigate in the influence of atmospheric dust on the habitability of exoplanets. They find that atmospheric dust may postpone planetary water loss; for tidally locked planets in particular, dust can significantly widen the ...
Ian A. Boutle   +7 more
doaj   +1 more source

Increases in the temperature seasonal cycle indicate long-term drying trends in Amazonia

open access: yesCommunications Earth & Environment, 2022
Strongly correlated changes between the amplitude of the seasonal cycle in temperature and the annual mean evaporative fraction indicate long-term drying in the Amazon, according to climate reanalyses and Earth System Model projections.
Paul D. L. Ritchie   +4 more
doaj   +1 more source

Des fondements vers l’avant. Sur la rationalité des mathématiques et des sciences formalisées

open access: yesPhilosophia Scientiæ, 2005
Forward foundations. On the rationality of mathematics and of formalized sciences. — The failure of logicism for the question of foundations of mathematics invites us to consider this question under an epistemological point of view, in terms of ...
Michel Paty
doaj   +1 more source

Magnetic Field Energy Harvesting From Current-Carrying Structures: Electromagnetic-Circuit Coupled Model, Validation and Application

open access: yesIEEE Access, 2021
Magnetic field energy harvesters (MFEHs) from current-carrying structures/conductors are usually modelled as decoupled electromagnetic and electrical systems.
Yang Kuang   +3 more
doaj   +1 more source

A social Beaufort scale to detect high winds using language in social media posts

open access: yesScientific Reports, 2021
People often talk about the weather on social media, using different vocabulary to describe different conditions. Here we combine a large collection of wind-related Twitter posts (tweets) and UK Met Office wind speed observations to explore the ...
Iain S. Weaver   +2 more
doaj   +1 more source

Compatibility of mathematics study subjects in ŠU and ŠSC

open access: yesLietuvos Matematikos Rinkinys, 2011
In the article, main attention is given to the compatibility of study subjects of mathematics in studies programs of physical sciences “Business Informatics” and “Informatics”‘ at Šiauliai State College and Šiauliai University, respectively.
Roma Kačinskaitė   +1 more
doaj   +1 more source

Heterostructures formed through abraded van der Waals materials

open access: yesNature Communications, 2020
Low-cost, mass-scalable production routes which preserve the quality of the single crystals are required to up-scale van der Waals materials. Here, the authors demonstrate an approach to realise a variety of functional heterostructures based on van der ...
Darren Nutting   +13 more
doaj   +1 more source

Heatwave–blocking relation change likely dominates over decrease in blocking frequency under global warming

open access: yesnpj Climate and Atmospheric Science, 2022
Extra-tropical continental summer heatwaves often occur under persistent anticyclones or blocking. Here we partition heatwave changes into contributions from blocking changes, heatwave–blocking relation change and mean temperature increase, under global ...
Pak Wah Chan   +2 more
doaj   +1 more source

Integrating Science and Technology Libraries at Cornell

open access: yesIssues in Science and Technology Librarianship, 1999
Integrating science and technology libraries into a single unit involves identifying what is unique about each library, addressing user and staff concerns, establishing new communications patterns, encouraging staff participation in the change process ...
Jean A. Poland
doaj   +1 more source

Enhancing demographics and career pathways of the space physics workforce in the US

open access: yesFrontiers in Astronomy and Space Sciences, 2023
We present the demographics data for the space physics workforce which are compared with other space sciences fields, physics, plus science and engineering in general. We focus on the early stages of college, and draw some lessons from looking beyond the
Fran Bagenal
doaj   +1 more source

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