Results 71 to 80 of about 3,198,119 (194)

Pumping Venom: Valvilli Architecture in Diacamma (Hymenoptera: Formicidae) and Implications for Stinger Functionality

Journal of Morphology, Volume 287, Issue 9, September 2026.
The insect stinger is among the best‐known venom‐delivery structures, yet its valvilli—paired flaps within the valve chamber—remain poorly understood. Using micro‐CT, histology, serial block‐face SEM and CLSM in the ant Diacamma nr. indicum, we show that the valvilli are not uniformly flexible flaps but are materially differentiated structures with ...
Alexandre Casadei‐Ferreira, Johan Billen, Sebastian Büsse, Julian Katzke, Riou Mizuno, Adrian Richter, Evan Economo   +6 more
wiley   +1 more source

18F‑FAPI‑04 PET/CT imaging of fibroblast activating protein reveals myocardial injury beyond cancer staging

Precision Radiation Oncology, Volume 10, Issue 3, Page 268-278, September 2026.
Early detection of myocardial injury in cancer patients remains challenging with conventional diagnostic tools. 18F‐FAPI‐04 PET/CT revealed abnormal myocardial uptake associated with cardiovascular risk factors and biomarkers. 18F‐FAPI‐04 PET/CT enables early, noninvasive detection of myocardial injury, providing additional clinical value beyond cancer
Jing Jia, Chuan Zhou, Shuzhen Yi, Jinsong Zheng, Chengqiang Li, Jingjie Qin, Yuchun Wei   +6 more
wiley   +1 more source

ARCANE–Early Detection of Interplanetary Coronal Mass Ejections

Space Weather
Interplanetary coronal mass ejections (ICMEs) are major drivers of space weather disturbances, posing risks to both technological infrastructure and human activities.
Hannah T. Rüdisser, Gautier Nguyen, Justin Le Louëdec, Emma E. Davies, Christian Möstl   +4 more
doaj   +1 more source

Coalescence of Magnetic Flux Ropes Within Interplanetary Coronal Mass Ejections: Multi-cases Studies

Frontiers in Physics, 2019
Coronal mass ejections (CMEs) are intense solar explosive eruptions and have significant impact on geomagnetic activities. It is important to understand how CMEs evolve as they propagate in the solar-terrestrial space.
Yan Zhao, Yan Zhao, Hengqiang Feng, Hengqiang Feng, Qiang Liu, Qiang Liu, Guoqing Zhao, Guoqing Zhao   +7 more
doaj   +1 more source

Radio Observations of Coronal Mass Ejections: Space Weather Aspects

Frontiers in Astronomy and Space Sciences, 2020
We review the current state-of-affairs in radio observations of Coronal Mass Ejections (CMEs) from a Space Weather perspective. In particular, we examine the role of radio observations in predicting or presaging an eruption, in capturing the formation ...
Angelos Vourlidas, Eoin P. Carley, Nicole Vilmer, Nicole Vilmer   +3 more
doaj   +1 more source

Numerical Investigations of Low‐Latitude Ground Magnetic Fields Due To Cavity Mode Oscillations

Journal of Geophysical Research: Space Physics, Volume 131, Issue 9, September 2026.
Abstract Pi2 oscillations are known to be associated with cavity mode oscillations (CMOs) in the inner magnetosphere at low latitudes. CMOs can also be excited by interplanetary shocks on the dayside. We present results from a global linear MHD wave model in spherical coordinates that allows us to analyze these waves at equatorial latitudes.
K. Majmudar, R. L. Lysak, K. Takahashi
wiley   +1 more source

On the Effects of the Solar Wind Structure in the Global Distribution of dBH/dt ${\text{dB}}_{H}/\text{dt}$ Spikes During Geomagnetic Storms

Journal of Geophysical Research: Space Physics, Volume 131, Issue 9, September 2026.
Abstract Variations in the solar wind, particularly those associated with interplanetary coronal mass ejections (ICMEs) and high‐speed streams (HSSs), drive geomagnetic disturbances that produce rapid changes in the ground magnetic field. These variations, commonly quantified by the time derivative of the horizontal magnetic field dBH/dt $\left({\text ...
José P. Marchezi, Amy Keesee, Michael Coughlan, Raman Mukundan, Victor Pinto, Ligia A. Da Silva, Livia R. Alves, Hyunju Connor, Don Hampton   +8 more
wiley   +1 more source

Current Helicity in Response to Coronal Mass Ejections

The Astrophysical Journal
Coronal mass ejections (CMEs), powerful solar eruptions with massive plasma ejected into the interplanetary space, are caused by the release of the magnetic free energy stored in coronal electric currents.
Zheng Sun, Ting Li, Xinkai Bian, Yijun Hou, Ioannis Kontogiannis, Ziqi Wu   +5 more
doaj   +1 more source

Cosmic Ray Anisotropy Generated by the June 22nd 2015 Interplanetary Events

Journal of Geophysical Research: Space Physics, Volume 131, Issue 9, September 2026.
Abstract On 22 June 2015, the near Earth interplanetary space was perturbed by a series of high‐speed streamers and interplanetary coronal mass ejections associated with an active region and two low‐latitude coronal holes. The interaction of these disturbances gave rise to the complex solar wind structure observed at 1 au.
A. Lara, K. P. Arunbabu, T. Niembro
wiley   +1 more source

Understanding the Evolution of the Three-part Structure of a Coronal Mass Ejection Using Multiviewpoint Observations

The Astrophysical Journal
The three-part structure (bright front, dark cavity, and bright core) of coronal mass ejections (CMEs) in white-light (WL) coronagraphic images has been studied for decades.
Bin Zhuang, Noé Lugaz, Manuela Temmer, Tingyu Gou, Carlos R. Braga, Joan Burkepile   +5 more
doaj   +1 more source