Results 111 to 120 of about 1,161,750 (300)

Ontogenetic changes and sexual dimorphism in the cranium and mandible of the Atlantic walrus (Odobenus rosmarus rosmarus L.)

open access: yesThe Anatomical Record, EarlyView.
Abstract Walruses have been an important subsistence and cultural resource for humans and have been exploited for millennia across their distribution. This exploitation has contributed to severe declines in several populations and local extirpations.
Katrien Dierickx   +6 more
wiley   +1 more source

Origin, evolution and biogeographic dynamics of the European rabbit (Oryctolagus cuniculus) in Southwestern Europe

open access: yesThe Anatomical Record, EarlyView.
Abstract The Pleistocene is a key period for understanding the evolutionary history and palaeobiogeography of the European rabbit (Oryctolagus cuniculus). The species was first documented in southeastern Iberia at the beginning of the Middle Pleistocene and appears to have rapidly spread throughout Southwestern Europe, where it was found in numerous ...
Maxime Pelletier
wiley   +1 more source

The Bedrock of Rock Art: The Significance of Quartz Arenite as a Canvas for Rock Art in Central Sweden

open access: yesOpen Archaeology
In Scandinavia, numerous regions with high densities of rock art exist. One notable area is Mälardalen in central Sweden, where rock art, primarily dating from the Bronze Age and featuring various characters and symbolic meanings, is located along the ...
Löfstedt Joakim, Löwenborg Daniel
doaj   +1 more source

Timing of ancient extensional tectonic features on Mars [PDF]

open access: yes
Although numerous studies have delineated the Tharsis and post-Tharsis volcanic/tectonic history on Mars, only a few attempts have examined the earlier epochs. This is not an easy task since unambiguous crater ages for pre-Tharsis and early Tharsis units
Schultz, Peter H., Wichman, R.
core   +1 more source

Patrologia Latina [PDF]

open access: yes, 2011
The Patrologia Latina Database offers 221 volumes of works written by the Latin Fathers. It is the extraordinary achievement of the nineteenth-century scholar and priest, Jacques-Paul Migne. It covers the works of the Latin Fathers from Tertullian around
Schuster, Janice G
core   +1 more source

Morphological variation in atlas and axis of Neotropical spiny rats (Rodentia, Echimyidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The unique morphologies of the first two cervical vertebrae, the atlas and axis, represent a significant innovation in mammalian evolution. These structures support the weight of the head and enable intricate movements of the head and neck.
Thomas Furtado da Silva Netto   +3 more
wiley   +1 more source

Hydrologic activity during late Noachian and Early Hesperian downwarping of Borealis Basin, Mars [PDF]

open access: yes
Pronounced global volcanism as well as fracturing and erosion along the highland/lowland boundary (HLB) during the Late Noachian (LN) and Early Hesperian (EH) led McGill and Dimitriou to conclude that the Borealis basin formed tectonically during this ...
Tanaka, Kenneth L.
core   +1 more source

Facts, Legends and Myths on the Evolution of Resuscitation [PDF]

open access: yes, 2012
This study aimed to overview in chronological order a number of "facts" and "myths" that have been reported in the literature on the history of resuscitation.
Avramidis, S
core  

New partial skeleton of Homo habilis from the upper Burgi Member, Koobi Fora Formation, Ileret, Kenya

open access: yesThe Anatomical Record, EarlyView.
Abstract KNM‐ER 64061 is a partial skeleton from the upper Burgi Member of the Koobi Fora Formation (2.02–2.06 Ma) associated taphonomically and geochemically with a nearly complete mandibular dentition (KNM‐ER 64060) attributed to Homo habilis.
Frederick E. Grine   +8 more
wiley   +1 more source

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