Results 61 to 70 of about 166,246 (311)

Cteno‐Bot: An Untethered Metachronally Swimming Robot With Magnetoactive Propulsors

open access: yesAdvanced Intelligent Systems, EarlyView.
We present Cteno‐bot, an untethered ctenophore‐inspired robot which swims using metachronally coordinated appendages. A single mechanism controls up to 216 magnetoactive propulsors via a dynamically varying magnetic field. We show that the swimming speed of the robot can be increased without a corresponding increase in power requirement, simply by ...
David J. Peterman, Margaret L. Byron
wiley   +1 more source

The 27–year decline of coral cover on the Great Barrier Reef and its causes [PDF]

open access: yes, 2012
This study investigates the spatial and temporal dynamics of coral cover, identifies the main drivers of coral mortality, and quantifies the rates of potential recovery of the Great Barrier Reef.The world’s coral reefs are being degraded, and the need to
Hugh Sweatmana   +3 more
core  

Tren kenaikan suhu permukaan laut pada abad ke-14 berdasarkan data geokimia Sr/Ca dari fosil koral Mentawai

open access: yesIndonesian Journal on Geoscience, 2014
DOI: 10.17014/ijog.v5i2.96Sr/Ca content ratio in coral is a promising tool for a sea surface temperature reconstruction. In this study, Sr/Ca was analyzed from the top core of fossil coral from Central Mentawai, Indonesia (BLS).
Sri Y. Cahyarini
doaj   +1 more source

Toward a Behavioral Reserve Model in Amyotrophic Lateral Sclerosis

open access: yesAnnals of Neurology, EarlyView.
Objective Behavioral impairment is common in amyotrophic lateral sclerosis (ALS) and strongly affects autonomy, caregiver burden, and outcomes, yet predictors of vulnerability remain unclear. We investigated whether premorbid regulatory traits and socio‐educational exposures are associated with behavioral phenotypes in ALS within a behavioral reserve ...
Francesca Palumbo   +14 more
wiley   +1 more source

Long-term shifts in coral communities on shallow to deep reef slopes of Curaçao and Bonaire: are there any winners?

open access: yesFrontiers in Marine Science, 2016
Tropical coral reefs are among the most biologically diverse and economically important ecosystems on earth. Nevertheless, we found dramatic changes in coral communities on the reef slopes of Curaçao and Bonaire since 1973.
Didier M De Bakker   +6 more
doaj   +1 more source

Vacancy defect‐induced electron homing breaks phosphodiester bonds for RNA depletion‐driven cancer therapy

open access: yesBMEMat, EarlyView.
Illustration of 5% S‐vacancy Bi2S3 mediated phosphodiester bonds cleavage in RNA of hepatocellular carcinoma cells, which suppressing ERI3 expression, inhibiting cell proliferation and promoting apoptosis. Abstract Genome‐wide hypertranscription is a hallmark of malignant progression.
Chuncheng Yang   +12 more
wiley   +1 more source

ICRI – USA : Turning the tide for coral reefs : Plan of action 2021-2024 [PDF]

open access: yes, 2022
The twin crises of climate change and biodiversity loss have brought into stark relief the need for greater collaboration and action at the international level to conserve, manage, and restore coral reefs.
International Coral Reef Initiative (ICRI)
core  

Coral Bleaching in the Persian/Arabian Gulf Is Modulated by Summer Winds

open access: yesFrontiers in Marine Science, 2019
Corals in the Persian/Arabian Gulf are the most thermally tolerant in the world, but live very near the thresholds of their thermal tolerance. Warming sea temperatures associated with climate change have resulted in numerous coral bleaching events ...
Francesco Paparella   +3 more
doaj   +1 more source

A Systemic Model for Understanding Business Interactions With Biodiversity and Ecosystems

open access: yesBusiness Strategy and the Environment, EarlyView.
ABSTRACT Biodiversity loss and ecosystem degradation represent critical threats to human well‐being and economic resilience, challenging businesses to understand and manage their interdependence with natural systems. This study develops a systemic framework—the BioModel—that elucidates the reciprocal relationship between businesses, biodiversity, and ...
Lino Cinquini   +2 more
wiley   +1 more source

Observed changes in the climate and snow dynamics of the Third Pole

open access: yesnpj Climate and Atmospheric Science
The Third Pole (TP) is the world’s largest highland and has one of the biggest reservoirs of glacier ice mass and snow cover on the Earth. Three major Asian rivers (the Indus, Ganga and Brahmaputra) are nourished by the melting of glaciers and snow in ...
Jayanarayanan Kuttippurath   +2 more
doaj   +1 more source

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