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Beyond predation: Fish-coral interactions can tip the scales of coral disease.
J Theor Biol
December 2024
Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, B.T. Road, Kolkata, 700108, West Bengal, India.
Coral reefs are critical ecosystems, fostering biodiversity and sustaining the livelihoods of millions globally. Nonetheless, they confront escalating threats, with infectious diseases emerging as primary catalysts for extensive damage, surpassing the impacts of other human-induced stressors. Disease transmission via biotic factors, particularly during fish predation, is a crucial yet often overlooked pathway.
View Article and Find Full Text PDFIdentifying the crucial tipping point in the maturation process of cultured neurons using Raman spectroscopy and a dynamic network biomarker (DNB) analysis.
Biochem Biophys Res Commun
January 2025
Research Center for Pre-Disease Science, University of Toyama, Toyama, 930-8555, Japan.
Article Synopsis
- - The study aimed to identify key transition points in neuronal development using Raman spectroscopy and dynamic network biomarker (DNB) analysis, with a focus on a post-mitotic state.
- - An in vitro model of neuronal development was previously created from rat hippocampal neurons and analyzed through principal component analysis (PCA) using Raman spectral data collected over 120 days.
- - The DNB analysis revealed that lactate (at a Raman band of 1048 cm) plays a significant role as an energy source influencing neuronal maturation, while PCA helped establish a control group for this analysis.
Solar radiation is an important environmental variable for terrestrial animals, but its impact on the heat balance of large flying insects has been poorly studied. Desert bees are critical to ecosystem function through their pollination services and are exposed to high radiant loads. We assessed the role of solar radiation in the heat balance of flying desert Centris pallida bees by calculating heat budgets for individuals in a respirometer in shaded versus sunny conditions from 16 to 37 ˚C air temperatures, comparing the large and small male morphs and females.
View Article and Find Full Text PDFCascading tipping points of Antarctica and the Southern Ocean.
Ambio
December 2024
College of Business and Economics, University of Tasmania, Hobart, Australia.
Antarctica and the Southern Ocean are key elements in the physical and biological Earth system. Human-induced climate change, and other human activities in the region, are leading to several potential interacting tipping points with major and irreversible consequences. Here, we examine eight potential physical, biological, chemical, and social Antarctic tipping points.
View Article and Find Full Text PDFRapidly diverging public trust in science in the United States.
Public Underst Sci
December 2024
ETH Zurich, Switzerland.
Trust in science is crucial to resolving societal problems. Americans across political ideologies have high levels of trust in science-a stable pattern observed over the past 50 years. Yet, trust in science varies by individual and group characteristics and faces several threats, from political actors, increased political polarization, or global crises.
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