Results 1 to 10 of about 261,886 (203)

Channels’ Confirmation and Predictions’ Confirmation: From the Medical Test to the Raven Paradox [PDF]

open access: yesEntropy, 2020
After long arguments between positivism and falsificationism, the verification of universal hypotheses was replaced with the confirmation of uncertain major premises. Unfortunately, Hemple proposed the Raven Paradox.
Chenguang Lu
doaj   +5 more sources

A note on homer the raven [PDF]

open access: yesZbornik Radova Vizantološkog Instituta, 2019
In the works of Clement of Alexandria pieces of Homeric verses surface from time to time as a testimony to a Christian truth or an interpretation of Scripture.
Šijaković Jovana
doaj   +5 more sources

Sequencing of the complete mitochondrial genome of the common raven Corvus corax (Aves: Corvidae) confirms mitogenome-wide deep lineages and a paraphyletic relationship with the Chihuahuan raven C. cryptoleucus. [PDF]

open access: yesPLoS ONE, 2017
Previous studies based on single mitochondrial markers have shown that the common raven (Corvus corax) consists of two highly diverged lineages that are hypothesised to have undergone speciation reversal upon secondary contact. Furthermore, common ravens
Arild Johnsen   +3 more
doaj   +1 more source

Vocal recognition of a nest-predator in black grouse [PDF]

open access: yesPeerJ, 2019
Corvids count among the important predators of bird nests. They are vocal animals and one can expect that birds threatened by their predation, such as black grouse, are sensitive to and recognize their calls.
Richard Policht   +6 more
doaj   +2 more sources

Two mysterious guests: E. A. Poe's "The raven" and L. Kostić's "In memory of ruvarac" [PDF]

open access: yesReči (Beograd), 2021
Laza Kostić is one of the most distinguished poets in Serbian literature. "Spomen na Ruvarca"/"In memory of Ruvarac", chosen by Bogdan Popović for his famous Anthology, is one of Kostić's poems where tendencies for suprising motifs and inovations of form
Mihailović Miloš D.
doaj   +1 more source

A spatially explicit modeling framework to guide management of subsidized avian predator densities

open access: yesEcosphere, 2023
Anthropogenic resource subsidization across western ecosystems has contributed to widespread increases in generalist avian predators, including common ravens (Corvus corax; hereafter, raven).
Shawn T. O'Neil   +8 more
doaj   +1 more source

Isotopic analysis reveals landscape patterns in the diet of a subsidized predator, the common raven

open access: yesEcological Solutions and Evidence, 2021
Anthropogenic subsidies to native predators can have cascading effects on sensitive prey populations, but the spatial mechanisms behind these effects are often unknown.
Seth Harju   +3 more
doaj   +1 more source

Efficacy of CPTH-Treated Egg Baits for Removing Ravens

open access: yesHuman-Wildlife Interactions, 2017
Human-altered landscapes have provided resource subsidies for common ravens (Corvus corax) resulting in a substantial increase in raven abundance and distribution throughout the United States and Canada in the past 25 years.
Peter S. Coates   +2 more
doaj   +1 more source

Depressed youth, suicidality and antidepressants [PDF]

open access: yes, 2005
The document attached has been archived with permission from the editor of the Medical Journal of Australia. An external link to the publisher’s copy is included.Robert D Goldney, Peter R Mansfield, Melissa K Raven, Jon N Jureidini, Joseph M Rey, Michael
Dudley, M.   +6 more
core   +1 more source

Fractals and Ravens

open access: yesArtificial Intelligence, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Keith McGreggor   +2 more
openaire   +1 more source

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