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David couldn't bring down Goliath: museum specimen reveals a failed predation attempt by fire ants ( Westwood, 1840) upon a large hawk moth (Cramer, 1775).
Biodivers Data J
January 2025
Museo Nacional de Ciencias Naturales (MNCN-CSIC), Madrid, Spain Museo Nacional de Ciencias Naturales (MNCN-CSIC) Madrid Spain.
Insights into insect predatory behaviour can be inferred indirectly from specimens housed in Natural History Collections. In this work, we document a unique interaction, never recorded before, involving the remains of a Westwood, 1840 ant worker -probably (Smith, 1855)- whose head is firmly attached by its mandibles to an antenna of a female hawk moth (Cramer, 1775) (Sphingidae). This specimen is part of the Entomology Collection at the MNCN-CSIC in Madrid, Spain.
View Article and Find Full Text PDFShear Capacity of Hollow High-Performance Concrete Beams with Cross-Wound Carbon Fiber-Reinforced Polymer Reinforcement.
Polymers (Basel)
December 2024
University Centre for Energy Efficient Buildings, Czech Technical University in Prague, 27343 Buštěhrad, Czech Republic.
This paper introduces cross-wound CFRP shear reinforcement of hollow HPC beams. The CFRP reinforcement was manufactured in the form of a square tubular mesh from carbon rovings oriented at ±45° from the longitudinal axis. The shear reinforcement was made in two variants from carbon yarns with linear densities of 1600 and 3700 tex.
View Article and Find Full Text PDF[Electroacupuncture combined with ear tip bloodletting for 60 cases of insomnia with phlegm-fire disturbing heart].
Zhongguo Zhen Jiu
January 2025
Department of Acupuncture and Moxibustion, Beijing Shijingshan Hospital of TCM, Beijing 100043, China.
Objective: To observe the clinical efficacy of electroacupuncture combined with ear tip bloodletting for insomnia with phlegm-fire disturbing heart.
Methods: A total of 60 cases with insomnia of phlegm-fire disturbing heart were selected, and the treatment of electroacupuncture combined with ear tip bloodletting was delivered. Acupuncture was applied at Yintang (GV24), Shenting (GV24), Sishencong (EX-HN1) and bilateral Shenmen (HT7), Quchi (LI11), Zhaohai (KI6), Shenmai (BL62), Fenglong (ST40), Neiting (ST4), Yintang (GV24) and Shenting (GV24) were connected to electroacupuncture, continuous wave, 2 Hz in frequency.
Uncovering the dynamics and causality of PTSD symptoms in firefighters: Insights from cross-lagged panel network analyses.
J Psychiatr Res
January 2025
Department of Military Medical Psychology, Air Force Medical University, Xi'an, 710032, China. Electronic address:
Firefighters have a greater prevalence of posttraumatic stress disorder (PTSD) because of their greater risk of exposure to traumatic events. Network analysis offers novel perspectives for understanding PTSD. However, most previous network analysis studies were cross-sectional and failed to reveal the dynamics and causality of PTSD symptoms.
View Article and Find Full Text PDFFrom Doubt to Confidence-Overcoming Fraudulent Submissions by Bots and Other Takers of a Web-Based Survey.
J Med Internet Res
December 2024
Institute for Global Tobacco Control, Department of Health, Behavior and Society, Johns Hopkins University, Baltimore, MD, United States.
In 2019, we launched a web-based longitudinal survey of adults who frequently use e-cigarettes, called the Vaping and Patterns of E-cigarette Use Research (VAPER) Study. The initial attempt to collect survey data failed due to fraudulent survey submissions, likely submitted by survey bots and other survey takers. This paper chronicles the journey from that setback to the successful completion of 5 waves of data collection.
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