Results 61 to 70 of about 8,199 (192)

Reflection-less device allows electromagnetic warp drive [PDF]

open access: yes, 2010
One of the striking properties of artificially structured materials is the negative refraction, an optical feature that known natural materials do not exhibit.
Nacher, J. C., Ochiai, T.
core  

Traders' strategy with price feedbacks in financial market

open access: yes, 2003
We introduce an autoregressive-type model of prices in financial market taking into account the self-modulation effect. We find that traders are mainly using strategies with weighted feedbacks of past prices.
Hideki Takayasu   +9 more
core   +1 more source

Vulnerability of marine megafauna to global at‐sea anthropogenic threats

open access: yesConservation Biology, Volume 40, Issue 1, February 2026.
Abstract Marine megafauna species are affected by a wide range of anthropogenic threats. To evaluate the risk of such threats, species’ vulnerability to each threat must first be determined. We build on the existing threats classification scheme and ranking system of the International Union for Conservation of Nature (IUCN) Red List of Threatened ...
Michelle VanCompernolle   +309 more
wiley   +1 more source

Trends in Gender Disparities in Surgical Experience: A National Clinical Database Study

open access: yesAnnals of Gastroenterological Surgery, Volume 10, Issue 1, Page 263-274, January 2026.
ABSTRACT Background We previously reported the gender disparities in surgical procedures between male and female surgeons using National Clinical Database covering more than 95% of all operations performed in Japan. This study aims to examine the changes in gender disparity in the surgical experience of gastrointestinal surgeons in Japan before and ...
Chie Tanaka   +6 more
wiley   +1 more source

Only One Percent of Important Shark and Ray Areas in the Western Indian Ocean Are Fully Protected From Fishing Pressure

open access: yesEcology and Evolution, Volume 16, Issue 1, January 2026.
Delineation of Important Shark and Ray Areas (ISRAs) In the Western Indian Ocean was enhanced by the verification and incorporation of unpublished records. Even with this expanded dataset, ~99% of ISRA coverage fell outside of fully protected, no‐take MPAs.
Jesse E. M. Cochran   +132 more
wiley   +1 more source

Anterior inferior cerebellar artery aneurysm with proximal parent artery stenosis: A case report

open access: yesRadiology Case Reports
Hemodynamic factors are associated with the progression of cerebral aneurysms. We report a 78-year-old woman with an anterior inferior cerebellar artery aneurysm and proximal stenosis of the anterior inferior cerebellar and basilar arteries. The aneurysm
Masahiro Morishita, MD   +5 more
doaj   +1 more source

Variations of organotin bioaccumulation in the Salmo trutta and Anguilla japonica collected from freshwater and seawater habitats: A re-interpretation from biomonitoring point of view. [PDF]

open access: yes, 2011
This paper reviewed two important published papers on variation in organotin compounds (OTs) accumulation in relation to the life history in Anguilla japonica and Salmo trutta.
Arai, Takaomi, Yap, Chee Kong
core  

Fine‐scale reconstruction of pelagic fish migration by iso‐logging of eye lens

open access: yesMethods in Ecology and Evolution, Volume 17, Issue 1, Page 77-84, January 2026.
Abstract Understanding lifetime space use by pelagic animals is pivotal for ecology and fisheries management, but electronic tags are costly, labour‐intensive and rarely able to capture juvenile movement. We implemented an iso‐logging workflow that converts stable isotope chronologies in eye lenses into continuous migration tracks, and demonstrate its ...
Jun Matsubayashi   +8 more
wiley   +1 more source

Severe upper gastrointestinal involvement in ulcerative colitis successfully treated with sequential therapy using intravenous tacrolimus and upadacitinib: a case report

open access: yesFrontiers in Medicine
Ulcerative colitis (UC) is classically regarded as a disease limited to the colon; however, upper gastrointestinal (UGI) involvement has been increasingly recognized.
Kenji Kinoshita   +10 more
doaj   +1 more source

Home - About - Disclaimer - Privacy