Results 131 to 140 of about 2,720 (298)

Delisting the Grizzly bear from the Endangered Species Act: shifting politics and political discourse in the Greater Yellowstone Ecosystem

open access: yesFrontiers in Conservation Science
IntroductionAs the Endangered Species Act (ESA) marks its 50th anniversary, it remains one of the most influential wildlife conservation laws globally. Designed to protect endangered species and their habitats, the ESA sets recovery benchmarks, with the ...
Sofia Mollett   +13 more
doaj   +1 more source

Advances in Electroactive Liquid Crystal Elastomers for Intelligent Robotics and Electronics

open access: yesAdvanced Robotics Research, EarlyView.
Electroactive liquid crystal elastomers (eLCEs) integrate molecular anisotropy with electrical functionality to enable programmable actuation and reconfigurable electronics. This review classifies eLCEs into robotic actuators and adaptive electronics, summarizes key actuation mechanisms, and highlights fabrication strategies that bridge materials to ...
Kavita Ramesh Rathod   +14 more
wiley   +1 more source

Changing grizzly bear space use and functional connectivity in response to human disturbance in the southern Canadian Rocky Mountains

open access: yesConservation Science and Practice
Understanding wildlife responses to human disturbance is essential for developing effective conservation and management strategies. Grizzly bears in the southern Canadian Rocky Mountains face increasing habitat alteration from roads, forest harvest ...
Eric C. Palm   +11 more
doaj   +1 more source

Perivascular Matrix Densification Dysregulates Angiogenesis and Activates Pro‐Inflammatory Endothelial Cells

open access: yesAdvanced Science, EarlyView.
Perivascular matrix densification promotes the emergence of aberrant endothelial tip cells (ATECs) that invade and persist within fibrotic microenvironments. Using in vivo lineage tracing and a human microvessel model, this study shows that fibrous matrix cues destabilize VE‐cadherin–mediated junctions to gate TGF‐β signaling, inducing a pro ...
Jingyi Xia   +17 more
wiley   +1 more source

Why is this Grizzly Bear in My Backyard?

open access: yes, 2015
This presentation provides an overview of the type of work that involves trying to resolve human/grizzly bear conflicts. Much of this work involves public education, cap-turing, handling, and monitoring grizzly bears, the use of Karelian Bear Dogs, and ...
Manley, Tim
core  

ERK‐Mediated Phosphorylation of YAP Defines a Noncanonical FGF Signaling Mechanism in Stem Cells

open access: yesAdvanced Science, EarlyView.
With a powerful combination of in vivo, ex vivo, and in vitro models, the authors highlight a novel FGF‐ERK signaling regulation of YAP at the S128 site in neural crest‐derived stem cells. This study opens exciting new directions in stem cell biology and craniofacial biology, paving the way for potential innovations in the treatment of craniofacial ...
Xiaolei Zhao   +16 more
wiley   +1 more source

Grizzly Bears [PDF]

open access: yesWilderness & Environmental Medicine, 2002
openaire   +1 more source

In Vivo Microplastic Detection With Photoacoustic Imaging

open access: yesAdvanced Science, EarlyView.
ABSTRACT Microplastics are posing an escalating threat to both ecological systems and human health. Yet, current methods for investigating their bioaccumulation are highly invasive, requiring destructive analysis of ex vivo tissues via mass spectrometry, dye labelling, or Raman microspectroscopy.
Joseph C. Bear   +9 more
wiley   +1 more source

Beaver ponds over road, Grizzly Bear Creek

open access: yes, 1965
Caption: "[WS] 469. 10/65. C. A. Ohlander. Grizzly Bear Crk. Beaver ponds over road.
Ohlander, Coryell A.
core  

Paternal Circadian Disruption Impairs Offspring Cognition via Sperm microRNAs

open access: yesAdvanced Science, EarlyView.
Paternal circadian disruption remodels the sperm small RNA payload, elevating miR‐92a‐3p/miR‐25‐3p levels and perturbing early embryonic gene regulatory programs. Microinjection experiments and single‐embryo transcriptomics reveal sex‐specific developmental vulnerabilities, ultimately impairing offspring hippocampal synaptic plasticity and cognition ...
Kexin Zou   +22 more
wiley   +1 more source

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