Results 21 to 30 of about 1,146,667 (380)
The Birefringence and Extinction Coefficient of Ferroelectric Liquid Crystals in the Terahertz Range
Photonics, 2023 In this paper, the refractive index and extinction coefficient of ferroelectric liquid crystals have been examined by the terahertz time-domain spectroscopy system.
Ying Ma +5 more
doaj +1 more source
After the Fall: The Demographic Destiny of a Gorgonian Population Stricken by Catastrophic Mortality
Oceans, 2021 In recent years, the frequency of mass mortality events in marine ecosystems has increased, and several populations of benthic organism have been affected, reducing their density and changing their size and age structure.
Simona Ruffaldi Santori +6 more
doaj +1 more source
Plants, 2021 Silphion was an ancient medicinal gum-resin; most likely obtained from a Ferula species growing in the Cyrene region of Libya ca. 2500 years ago. Due to its therapeutic properties and culinary value, silphion became the main economic commodity of the ...
Mahmut Miski
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European Psychiatry, 2022 Introduction Central glucocorticoid receptor (GR) has been found to play an important role in the interpretation of cognitive abnormalities of posttraumatic stress disorder (PTSD), particularly focused on the extinction failure of fear memory. Potential
Y.-P. Liu, C.-C. Lin
doaj +1 more source
Journal of Threatened Taxa, 2018 Ex situ management of wildlife provides a possibility for species maintenance, research development and environmental education. But as captive facilities are usually much smaller than the area occupied by a species in the natural habitat, cleaning ...
Nárjara Veras Grossmann +3 more
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Biology, 2023 Threat conditioning, extinction, and second-order threat conditioning studied in animal models provide insight into the brain-based mechanisms of fear- and anxiety-related disorders and their treatment.
Tayebeh Sepahvand +3 more
doaj +1 more source
On Dust Extinction of Gamma-ray Burst Host Galaxies [PDF]
, 2008 Although it is well recognized that gamma-ray burst (GRB) afterglows are obscured and reddened by dust in their host galaxies, the wavelength-dependence and quantity of dust extinction are still poorly known.
Kann, D. A. +5 more
core +2 more sources
Vertebrates on the brink as indicators of biological annihilation and the sixth mass extinction
Proceedings of the National Academy of Sciences of the United States of America, 2020 Significance The ongoing sixth mass extinction may be the most serious environmental threat to the persistence of civilization, because it is irreversible.
G. Ceballos, P. Ehrlich, P. Raven
semanticscholar +1 more source
Anthropization of Goroubi forest reserve (GFR) in North Benin, West Africa [PDF]
The Holistic Approach to Environment, 2023 The Goroubi forest reserve (GFR) is under pressure leading to its extinction. This research aims to contribute to the restoration plans of the said forest in the district of Birni-Lafia in north Benin.
Noudossessi Rufin Kpatinnon +4 more
doaj +1 more source
Accelerated modern human–induced species losses: Entering the sixth mass extinction
Science Advances, 2015 Humans are causing a massive animal extinction without precedent in 65 million years. The oft-repeated claim that Earth’s biota is entering a sixth “mass extinction” depends on clearly demonstrating that current extinction rates are far above the ...
G. Ceballos +5 more
semanticscholar +1 more source