The tremendous diversity of species in ecological communities has motivated a century of research into the mechanisms that maintain biodiversity. However, much of this work examines the coexistence of just pairs of competitors. This approach ignores those mechanisms of coexistence that emerge only in diverse competitive networks. Despite the potential for these mechanisms to create conditions under which the loss of one competitor triggers the loss of others, we lack the knowledge needed to judge their importance for coexistence in nature. Progress requires borrowing insight from the study of multitrophic interaction networks, and coupling empirical data to models of competition.
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How confident are Queensland paramedics with seizure recognition, differentiation, and management? A pilot study.
Australas Emerg Care
January 2025
Department of Paramedicine, Monash University, 47-49 Moorooduc Hwy, Frankston, Victoria 3199, Australia; Department of Paramedics, Jordan University of Science and Technology, Irbid, Jordan; Duke Medical School, National University of Singapore, Singapore.
Background: Paramedics in Australia present as the opportune medical personnel to initiate medical intervention of seizure presentations and perform a fundamental role in the prevention of seizure associated morbidity and mortality. Despite being well equipped to manage seizures, no literature exists regarding their confidence to recognise, differentiate, or manage seizures.
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Keystone engineers profoundly influence microbial communities by altering their shared environment, often by modifying key resources. Here, we show that in an antibiotic-treated microbial community, bacterial spread is controlled by keystone engineering affecting dispersal- an effect hidden in well-mixed environments. Focusing on two pathogens, non-motile Klebsiella pneumoniae and motile Pseudomonas aeruginosa, we found that both tolerate a β-lactam antibiotic, with Pseudomonas being more resilient and dominating in well-mixed cultures.
View Article and Find Full Text PDFThe mediating effect of the striatum-based connectivity on the association between high-sensitivity C-reactive protein and anhedonia in adolescent depression.
J Affect Disord
January 2025
Department of Child Psychiatry of Shenzhen Kangning Hospital, Shenzhen Mental Health Center, Shenzhen Institute of Mental Health, Shenzhen, China. Electronic address:
Background: The potential pairwise connections among high-sensitivity C-reactive protein (hs-CRP), striatum-based circuits, and anhedonia in adolescent depression are not clear. This study aimed to explore whether hs-CRP levels in adolescents with depression influence anhedonia via alterations of striatum-based functional connectivity (FC).
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J Oral Biol Craniofac Res
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Centre of Molecular Medicine and Diagnostics (COMManD), Department of Biochemistry, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, 600077, India.
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Polariton lattices as binarized neuromorphic networks.
Light Sci Appl
January 2025
Spin-Optics laboratory, St. Petersburg State University, St. Petersburg, 198504, Russia.
We introduce a novel neuromorphic network architecture based on a lattice of exciton-polariton condensates, intricately interconnected and energized through nonresonant optical pumping. The network employs a binary framework, where each neuron, facilitated by the spatial coherence of pairwise coupled condensates, performs binary operations. This coherence, emerging from the ballistic propagation of polaritons, ensures efficient, network-wide communication.
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