Results 31 to 40 of about 152,483 (357)

LABYRINTH AND EQUILIBRIUM [PDF]

open access: yesJournal of General Physiology, 1919
1. A dogfish from which all six ampullæ have been removed maintains its equilibrium; the righting reactions occur promptly; compensatory movements of the eyes occur in response to rotations in all planes except the horizontal; the compensatory position of the eyes is retained if the animal is held in an abnormal position.
openaire   +4 more sources

Cooperation & Conflict in the Patriarchal Labyrinth [PDF]

open access: yes, 2019
This essay offers a new way of visualizing structures of collective power based on gender, emphasizing the role of social institutions in shaping women\u27s ability to bargain over the distribution of the gains from cooperation with men.
Folbre, Nancy
core   +2 more sources

Electron–Matter Interactions During Electron Beam Nanopatterning

open access: yesAdvanced Functional Materials, EarlyView.
This article reviews the electron–matter interactions important to nanopatterning with electron beam lithography (EBL). Electron–matter interactions, including secondary electron generation routes, polymer radiolysis, and electron beam induced charging, are discussed.
Camila Faccini de Lima   +2 more
wiley   +1 more source

Visa Labyrinth [PDF]

open access: yesScience, 2014
The date of an exciting overseas academic conference is approaching, and you discover that you need a visa. You have to fill out an endless form (do you really have to list every country you've visited over the past 5, or even worse 10, years?). You may need to travel to a distant town for an interview. The visa may cost as much as your airline ticket.
openaire   +2 more sources

Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine

open access: yesAdvanced Materials, EarlyView.
A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen   +5 more
wiley   +1 more source

Comprehensive microsurgical anatomy of the middle cranial fossa: Part I—Osseous and meningeal anatomy

open access: yesFrontiers in Surgery, 2023
The middle cranial fossa is one of the most complex regions in neurosurgery and otolaryngology—in fact, the practice of skull base surgery originated from the need to treat pathologies in this region.
Ali Tayebi Meybodi   +7 more
doaj   +1 more source

Interface‐Induced Stability of Nontrivial Topological Spin Textures: Unveiling Room‐Temperature Hopfions and Skyrmions

open access: yesAdvanced Materials, EarlyView.
The first room‐temperature, zero‐field observation of stable skyrmion–hopfion spin textures in EuS─Bi2Se3─EuS trilayers is reported. Combining Lorentz TEM imaging and micromagnetic modeling, the authors unveil how interfacial Dzyaloshinskii–Moriya interaction and geometric confinement stabilize these multidimensional topological states.
Ferhat Katmis   +11 more
wiley   +1 more source

Analysis of Placental Arteriovenous Formation Reveals New Insights Into Embryos With Congenital Heart Defects

open access: yesFrontiers in Genetics, 2022
The placental vasculature provides the developing embryo with a circulation to deliver nutrients and dispose of waste products. However, in the mouse, the vascular components of the chorio-allantoic placenta have been largely unexplored due to a lack of ...
Jacinta I. Kalisch-Smith   +14 more
doaj   +1 more source

Neuroimmune Microenvironment Reprogramming via Immuno‐piezoelectric Transducers for Synergistic Stem Cell Therapy in Traumatic Brain Injury

open access: yesAdvanced Materials, EarlyView.
A novel immuno‐piezoelectric transducer is innovatively developed. This device promotes neural stem cell (NSC) differentiation and maturation via ultrasound‐induced electrical stimulation and it amplifies the therapeutic efficacy of NSC in traumatic brain injury (TBI) by modulating the immune microenvironment. This piezoelectric transducer with “immune‐
Linlin Liang   +12 more
wiley   +1 more source

Illuminating labyrinths

open access: yesDiscrete Applied Mathematics, 2004
A labyrinth is defined as a set of line segments \(L\) with pairwise disjoint relative interiors and their complement \(E^{2}\diagdown \bigcup L\) connected. In the paper the variants of the illumination problem previously considered for disjoint line segments are presented and analogous lower and upper bounds for minimum number of light sources ...
openaire   +2 more sources

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