Results 21 to 30 of about 167,907,926 (289)

Investigating Possible Gastroliths in a Referred Specimen of Bohaiornis guoi (Aves: Enantiornithes)

open access: yesFrontiers in Earth Science, 2021
Gastroliths, where preserved, can provide indirect evidence regarding diet in extinct avian and non-avian dinosaurs. Masses of gastroliths consistent with the presence of a gastric mill are preserved in many Early Cretaceous Jehol birds mostly belonging ...
Shumin Liu   +10 more
doaj   +1 more source

The Bootstrap Model of Prebiotic Networks of Proteins and Nucleic Acids

open access: yesLife, 2022
It is not known how life arose from prebiotic physical chemistry. How did fruitful cell-like associations emerge from the two polymer types—informational (nucleic acids, xNAs = DNA or RNA) and functional (proteins)?
Thomas Farquharson   +2 more
doaj   +1 more source

Converging Extracellular Vesicle Research in all domains of life towards understanding their potential functional application : Proceedings of the COMBIVET & OH-BOOST Joint Conference 2023: 8-9th September 2023 [PDF]

open access: yes, 2023
About the COMBIVET & OH-Boost Joint Conference 2023 This conference is jointly organised by the ERA Chair COMBIVET and OH- Boost Twinning Project of the Estonian University of Life Sciences in partnership with the University of Tartu (UT), University ...
Estonian University of Life Sciences
core   +1 more source

Re-conceptualizing the origins of life. [PDF]

open access: yesPhilos Trans A Math Phys Eng Sci, 2017
Walker SI, Packard N, Cody GD.
europepmc   +2 more sources

Plankton samples of inland waters : [catalog]

open access: yes, 2022
The number of sampled waterbodies was 1017. Most of the samples (22,900) have been collected from Estonia. There are also more than 800 samples from Russia (mainly from the eastern and southern part of Lake Peipsi) and ca 100 from other countries.
Estonian University of Life Sciences. Institute of Agricultural and Environmental Sciences. Chair of Hydrobiology and Fisheries
core   +1 more source

Origins, (Co)Evolution and Diversity of Life [PDF]

open access: yes, 2020
Some of the mayor known unknowns of modern science deal with how lifeappeared on Earth and how from there it diversified into the different life forms present today.
Elena, Santiago F.   +18 more
core   +1 more source

Osteohistology of the Scapulocoracoid of Confuciusornis and Preliminary Analysis of the Shoulder Joint in Aves

open access: yesFrontiers in Earth Science, 2021
As key components of the tetrapod pectoral girdle, the scapula and coracoid have played a significant role in the evolution of forelimb locomotion among terrestrial vertebrates.
Qian Wu   +11 more
doaj   +1 more source

Chair of landscape architecture : Estonian University of Life Sciences [PDF]

open access: yes, 2022
This booklet has been prepared as an introduction to our chair and should give you an insight into our teaching programme and examples of students’ works, research on international projects as well as activities by staff and students. This edition of the
Estonian University of Life Sciences. Chair of Landscape Architecture
core   +1 more source

Spatial Information in the Emergence of Life

open access: yesFrontiers in Genetics, 2021
Information in living systems is part of a complex relationship between the internal organization and functionality of life. In a cell, both genetic-coding sequences and molecular-shape recognition are sources of biological information.
Hugo I. Cruz-Rosas, Pedro Miramontes
doaj   +1 more source

New Yuomys rodents from southeastern Qinghai-Tibet Plateau indicate low elevation during the Middle Eocene

open access: yesFrontiers in Earth Science, 2023
Yuomys are medium-sized Hystricomorpha rodents. They are known for coming from areas of low elevation in China during the middle and late Eocene. Two new Yuomys were discovered from a locality near Xueshuo village in Litang County, Sichuan Province.
Xijun Ni   +18 more
doaj   +1 more source

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