Results 161 to 170 of about 2,796,267 (391)

Sharpening our understanding of saber‐tooth biomechanics

open access: yesThe Anatomical Record, EarlyView.
Abstract Saber‐teeth are a striking example of convergent evolution in vertebrate predators, having evolved multiple times in mammals and their early ancestors. While there is broad consensus that saber‐toothed taxa employed a distinct biting strategy compared to conical‐toothed carnivores, like the lion, the precise mechanics and variability of this ...
Tahlia Pollock, Philip S. L. Anderson
wiley   +1 more source

Commentary: The missing sabertooth baculum—At what point might the absence of evidence reasonably be considered evidence of absence?

open access: yesThe Anatomical Record, EarlyView.
Abstract Most carnivorans and all modern felids have ossified bacula; however, no machairodont baculum has ever been identified. This is true despite the many fairly complete skeletons found around the world of several sabertooth taxa. Although the bacula of modern felids are much smaller than those of canoids (even the least weasel's baculum is longer
Adam Hartstone‐Rose
wiley   +1 more source

China shares fossil treasures with the world

open access: yesThe Anatomical Record, EarlyView.
Abstract China has been a rich source of fossils for nearly a century, beginning with the discovery of so‐called Peking man (Sinanthropus pekinensis), known today as Homo erectus pekinensis in the mid 1920s. The first Chinese dinosaurs were described in 1929, the sauropod Helopus (now Euhelopus) and the ornithopod Tanius, described by the Swedish ...
Peter Dodson
wiley   +1 more source

Several occurrences of osteomyelitis in dinosaurs from a site in the Bauru Group, Cretaceous of Southeast Brazil

open access: yesThe Anatomical Record, EarlyView.
Abstract This study investigates the occurrence of osteomyelitis in non‐avian dinosaurs, focusing on the Ibirá locality, a site with a high incidence of this pathological condition. We analyzed six new osteopathic sauropod specimens from the Upper Cretaceous of Brazil.
Tito Aureliano   +3 more
wiley   +1 more source

The Computers’ Collection at the Polytechnic Museum [PDF]

open access: yes, 2013
The Polytechnic Museum has the Fund Collection “Electronic Digital Computing Machines”. There are more than seven hundred objects and over two thousands documentary, printed and graphic items today. All four generations of electronic digital computing machines are presented in the Museum. Some of the EDCM are working.
openaire   +3 more sources

Fishes of the Mountain Province Section of the Ouachita River [PDF]

open access: yes, 1978
A survey of the fishes of the mountain province section of the Ouachita River from the headwaters to Remmel Dam using field collections, literature records, and museum collections showed the ichthyofauna to be made up of 80 species representing 16 ...
Douglas, Neil H., Harris, John L.
core   +2 more sources

Snake and Moon ‘Right Way Marriage’ Stories on Stone and Bark

open access: yesArchaeology in Oceania, EarlyView.
ABSTRACT In northwest Australia, boab trees hold significant cultural values for First Nations people. Their leaves, bark, roots and nuts are important as traditional resources for food, medicine, fibre, water and shade and serve as reference points in the landscape. Some of the tree trunks are inscribed with images and symbols which tell of events and
Jane Balme   +7 more
wiley   +1 more source

Code of Best Practices in Fair Use for the Visual Arts [PDF]

open access: yes, 2015
This Code of Best Practices provides visual-arts professionals with a set of principles addressing best practices in the fair use of copyrighted materials.

core  

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