Results 51 to 60 of about 495,213 (288)

Dental crown morphological variation and heterodonty in carcharhiniform sharks

open access: yesThe Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

RETRACTED: Polymer-Coated Nickel Nanoparticles for CO2 Capture in Seawater

open access: yesSeparations
Carbon capture and storage (CCS) technologies are employed to mitigate global warming by removing carbon from the atmosphere. To enhance carbon capture efficiency, nanoparticles have gained considerable attention as catalysts due to their large surface ...
Abhishek   +3 more
doaj   +1 more source

Multiple causes of interannual sea surface temperature variability in the equatorial Atlantic Ocean [PDF]

open access: yes, 2012
The eastern equatorial Atlantic Ocean is subject to interannual fluctuations of sea surface temperatures, with climatic impacts on the surrounding continents.
Bunmei Taguchi   +28 more
core   +1 more source

A new species of Lonchidiidae (Hybodontiformes) from the Late Jurassic of Brazil (Aliança Formation, Jatobá Basin)

open access: yesThe Anatomical Record, EarlyView.
Abstract The Aliança Formation (Jatobá Basin) represents lacustrine deposits formed in oxygenated waters that hosted a diverse fauna, including Hybodontiform sharks. Within this group, the Family Lonchidiidae comprises 11 valid genera, with Parvodus previously reported in Brazilian deposits from the Brejo Santo Formation (Araripe Basin, Late Jurassic ...
Larissa de Souza Ribeiro   +1 more
wiley   +1 more source

RETRACTED: Abhishek et al. Polymer-Coated Nickel Nanoparticles for CO2 Capture in Seawater. Separations 2025, 12, 107

open access: yesSeparations
The journal retracts the article “Polymer-Coated Nickel Nanoparticles for CO2 Capture in Seawater” [...]
Abhishek   +3 more
doaj   +1 more source

Gleaning the Rocky Shore? 2500 Years of Coastal Resource Use at Red Bluff 1, GunaiKurnai Country, SE Australia

open access: yesArchaeology in Oceania, EarlyView.
ABSTRACT Shell middens in Gippsland along the eastern half of Victoria's coastline have usually been characterised as small, short‐duration camp sites with relatively low shell densities and low taxonomic diversity. Here we present new excavation results from a dense, high‐diversity site at Red Bluff near the eastern end of GunaiKurnai Country, a ...
Patrick Faulkner   +17 more
wiley   +1 more source

Atlantic Ocean science diplomacy in action: the pole-to-pole All Atlantic Ocean Research Alliance

open access: yesHumanities & Social Sciences Communications, 2021
The ocean provides important ecosystem services to society, but its health is in crisis due to the impacts of human activities. Ocean sustainability requires ambitious levels of scientific evidence to support governance and management of human activities
Andrei Polejack   +2 more
doaj   +1 more source

Feeling the beat: a smart hand exoskeleton for learning to play musical instruments

open access: yesFrontiers in Robotics and AI, 2023
Individuals who have suffered neurotrauma like a stroke or brachial plexus injury often experience reduced limb functionality. Soft robotic exoskeletons have been successful in assisting rehabilitative treatment and improving activities of daily life but
Maohua Lin   +7 more
doaj   +1 more source

Convective structure of the planetary boundary layer of the ocean during gale [PDF]

open access: yes, 1986
The structure of the Planetary Boundary Layer (PBL) was measured, using an airborne lidar, over the Atlantic Ocean during several intensive observation periods of the Genesis of Atlantic Lows Experiment (GALE). Primary emphasis is on the understanding of
Boers, R., Melfi, S. H.
core   +1 more source

Volcanic forcing improves Atmosphere-Ocean Coupled General Circulation Model scaling performance

open access: yes, 2004
Recent Atmosphere-Ocean Coupled General Circulation Model (AOGCM) simulations of the twentieth century climate, which account for anthropogenic and natural forcings, make it possible to study the origin of long-term temperature correlations found in the ...
A. Bunde   +34 more
core   +1 more source

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