Results 101 to 110 of about 1,355,638 (188)

Science Needs for a Terrestrial Biosphere Tipping Point Early Warning System

open access: yesReviews of Geophysics, Volume 64, Issue 4, December 2026.
Abstract Tipping points in the Earth system have the potential to cause major detrimental impacts to the biosphere and societies. Their inherent nonlinearity implies that even relatively small additional increases in external forcing might result in disproportionately large adjustments to components of the Earth system.
Jesse F. Abrams   +13 more
wiley   +1 more source

Three Dimensional Digitally Designed Surgical Guides in Esthetic Crown Lengthening: A Clinical Case Report with 12 Months Follow Up

open access: yesClinical, Cosmetic and Investigational Dentistry, 2022
Saad Obaid Alazmi Department of Periodontology & Oral Medicine, College of Dentistry, Qassim University, Burayadh, Qassim, Saudi ArabiaCorrespondence: Saad Obaid AlazmiDepartment of Periodontology & Oral Medicine, College of Dentistry, Qassim University,
Alazmi SO
doaj  

The 1723 AD violent Strombolian and phreatomagatic eruption at Irazu volcano (Costa Rica) [PDF]

open access: yes, 2013
The largest of the recorded historic eruptions at Irazú volcano began on February 16, 1723 and lasted until at least December 11. We here critically examine deposits of this eruption exposed on the summit of Irazú. Our reconstruction of the eruption is
Schmincke, Hans-Ulrich, Alvarado, G. E.
core  

A Diagnostic Challenge: Unilateral Gingival Enlargement With Altered Tooth Eruption in a Paediatric Patient

open access: yes
Oral Diseases, EarlyView.
Luca Cricenti   +6 more
wiley   +1 more source

Regulatory Agencies Under Mutating Populism in Office: Insights From Italy (1990–2025)

open access: yesGovernance, Volume 39, Issue 4, December 2026.
ABSTRACT Our paper builds a bridge between the emerging strand of research on public administration under populist rule and the established literature on delegation to independent regulatory authorities (IRAs). We focus on Italy, a critical case in Western Europe, which between 2001 and 2025 experienced six coalition governments dominated or strongly ...
Fabrizio Di Mascio   +3 more
wiley   +1 more source

A complex arc of engagement: Shifting psychological trajectories of international solidarity during sustained geopolitical conflict

open access: yesPolitical Psychology, Volume 47, Issue 6, December 2026.
Abstract How do international audiences psychologically engage with prolonged geopolitical conflicts on social media? Drawing on 1.2+ million English‐language tweets posted during the first 10 months of the Russia–Ukraine war, this study examines temporal shifts in engagement, emotion, existential concern, cognition, and psychological distance ...
Vivian P. Ta‐Johnson, A. Burcu Bayram
wiley   +1 more source

Crown Lengthening as Treatment for Altered Passive Eruption: Review and Case Report

open access: yesWorld Journal of Dentistry, 2015
ABSTRACTThis case report relates a patient with altered passive eruption (APE) treated with surgical crown lengthening. There is a strong association between smile esthetics and periodontal tissues. ‘Gummy smile’ constitutes a relatively frequent esthetic disadvantage characterized by excessive display of the gums during upper lip smiling.
Mateus Rodrigues Tonetto   +7 more
openaire   +1 more source

Clinical Study Altered Passive Eruption and Familial Trait: A Preliminary Investigation

open access: yes, 2020
Altered passive eruption is described as a condition in which the relationship between teeth, alveolar bone, and the soft tissues creates an excessive gingival display and, in turn, in some circumstances, it may reveal a clinical aspect also known as the
Andrea Pilloni   +3 more
core  

Atmospheric impact of the 1783-1784 Laki eruption: Part I Chemistry modelling. [PDF]

open access: yes, 2003
Results from the first chemistry-transport model study of the impact of the 1783–1784 Laki fissure eruption (Iceland: 64°N, 17°W) upon atmospheric composition are presented.
Stevenson, D. S.; id_orcid   +17 more
core   +2 more sources

Between reconciliation and peace making and brutalization: The Israeli case

open access: yesPolitical Psychology, Volume 47, Issue S1, December 2026.
Abstract This article examines the relationship between peacemaking, reconciliation, and brutalization in violent conflicts. It argues that these processes are deeply interconnected: effective peacemaking and reconciliation can interrupt or reverse brutalization, whereas unsuccessful or incomplete peacemaking may allow brutalization to persist, deepen,
Daniel Bar‐Tal
wiley   +1 more source

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