Results 21 to 30 of about 898,461 (305)

Glucagon-Like Peptide-1 Agonist Exendin-4 Facilitates the Extinction of Cocaine-Induced Condition Place Preference

open access: yesFrontiers in Systems Neuroscience, 2021
Accumulating studies suggest that the glucagon-like peptide-1 receptor agonist exendin-4 (Ex4) and toll-like receptor 4 (TLR4) play a pivotal role in the maladaptive behavior of cocaine.
Changliang Zhu   +17 more
doaj   +1 more source

The Mid-Infrared Extinction Law and its Variation in the Coalsack Nebula [PDF]

open access: yes, 2013
In recent years the wavelength dependence of interstellar extinction from the ultraviolet (UV), optical, through the near- and mid-infrared (IR) has been studied extensively.
Chen, Yang   +4 more
core   +1 more source

Ten bridges on the road to recovering Canada’s endangered species

open access: yesFACETS, 2021
Wildlife is declining around the world. Many developed nations have enacted legislation on endangered species protection and provide funding for wildlife recovery. Protecting endangered species is also supported by the public and judiciary.
Daniel Kraus   +2 more
doaj   +1 more source

De-Extinction [PDF]

open access: yesGenes, 2018
De-extinction projects for species such as the woolly mammoth and passenger pigeon have greatly stimulated public and scientific interest, producing a large body of literature and much debate. To date, there has been little consistency in descriptions of de-extinction technologies and purposes.
openaire   +2 more sources

Robots, Extinction, and Salvation: On Altruism in Human–Posthuman Interactions

open access: yesReligions, 2021
Posthumanism and transhumanism are philosophies that envision possible relations between humans and posthumans. Critical versions of posthumanism and transhumanism examine the idea of potential threats involved in human–posthuman interactions (i.e ...
Juraj Odorčák, Pavlína Bakošová
doaj   +1 more source

Radiocarbon and genomic evidence for the survival of Equus Sussemionus until the late Holocene

open access: yeseLife, 2022
The exceptionally rich fossil record available for the equid family has provided textbook examples of macroevolutionary changes. Horses, asses, and zebras represent three extant subgenera of Equus lineage, while the Sussemionus subgenus is another ...
Dawei Cai   +21 more
doaj   +1 more source

Extinction Maps Toward The Milky Way Bulge: Two-Dimensional And Three-Dimensional Tests With APOGEE [PDF]

open access: yes, 2014
Galactic interstellar extinction maps are powerful and necessary tools for Milky Way structure and stellar population analyses, particularly toward the heavily reddened bulge and in the midplane.
Anders, F.   +17 more
core   +1 more source

Testing the Resource Hypothesis of Species–Area Relationships: Extinction Cannot Work Alone

open access: yesMicroorganisms, 2022
The mechanisms that underpin the species–area relationship (SAR) are crucial for both the development of biogeographic theory and the application of biodiversity conservation.
Wei Deng   +5 more
doaj   +1 more source

Mass extinctions [PDF]

open access: yesCurrent Biology, 2005
Factors influencing the evolution of complex traits such as body size are notoriously difficult to study but a new review of work on marine iguanas in the Galapagos islands suggests an answer may lie in the interplay of natural and sexual selection.
openaire   +2 more sources

A Quantitative Comparison of SMC, LMC, and Milky Way UV to NIR Extinction Curves

open access: yes, 2003
We present an exhaustive, quantitative comparison of all of the known extinction curves in the Small and Large Magellanic Clouds (SMC and LMC) with our understanding of the general behavior of Milky Way extinction curves.
Aiello S.   +12 more
core   +1 more source

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