Results 21 to 30 of about 12,687 (143)
Whirling spin order in the quasicrystal approximant Au$_{72}$Al$_{14}$Tb$_{14}$ [PDF]
, 2019 Neutron powder diffraction experiment has been performed on the quasicrystal approximant Au$_{72}$Al$_{14}$Tb$_{14}$, a body-center-cubic crystal of icosahedral spin clusters.
Avdeev, Maxim +5 more
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A New Quartet Tree Heuristic for Hierarchical Clustering [PDF]
, 2006 We consider the problem of constructing an an optimal-weight tree from the 3*(n choose 4) weighted quartet topologies on n objects, where optimality means that the summed weight of the embedded quartet topologiesis optimal (so it can be the case that the
Cilibrasi, Rudi, Vitanyi, Paul M. B.
core +3 more sources
Deployable Payloads with Starbug [PDF]
, 2006 We explore the range of wide field multi-object instrument concepts taking advantage of the unique capabilities of the Starbug focal plane positioning concept.
Haynes, Roger, McGrath, Andrew
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Tracing Monotreme Venom Evolution in the Genomics Era
Toxins, 2014 The monotremes (platypuses and echidnas) represent one of only four extant venomous mammalian lineages. Until recently, monotreme venom was poorly understood.
Camilla M. Whittington, Katherine Belov
doaj +1 more source
Validation of an Echidna Forelimb Musculoskeletal Model Using XROMM and diceCT
Frontiers in Bioengineering and Biotechnology, 2021 In evolutionary biomechanics, musculoskeletal computer models of extant and extinct taxa are often used to estimate joint range of motion (ROM) and muscle moment arms (MMAs), two parameters which form the basis of functional inferences.
Sophie Regnault +4 more
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Cool sex? Hibernation and reproduction overlap in the echidna. [PDF]
PLoS ONE, 2009 During hibernation there is a slowing of all metabolic processes, and thus it is normally considered to be incompatible with reproduction. In Tasmania the egg-laying mammal, the echidna (Tachyglossus aculeatus) hibernates for several months before mating
Gemma Morrow, Stewart C Nicol
doaj +1 more source
iScience, 2022 Summary: The sprawling–parasagittal postural shift was a major transition during synapsid evolution, underpinned by reorganization of the forelimb, and considered key to mammalian ecological diversity. Determining when and how this transition occurred in
Robert J. Brocklehurst +3 more
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Shelter selection and home range of echidnas, tachyglossus aculeatus, in the highlands of South-East Queensland [PDF]
, 1998 We recorded physical attributes of sites used for daily shelter or as hibernacula by nine echidnas, Tachyglossus aculeatus, living on a sheep grazing property in southeastern Queensland. Home ranges were also determined. For daily shelter sites, echidnas
Beard, Lyn A. +2 more
core +1 more source
Rotational properties of the binary and non-binary populations in the Trans-Neptunian belt [PDF]
, 2014 We present results for the short-term variability of Binary Trans-Neptunian Objects (BTNOs). We performed CCD photometric observations using the 3.58 m Telescopio Nazionale Galileo, the 1.5 m Sierra Nevada Observatory telescope, and the 1.23 m Centro ...
Morales, N. +3 more
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Вопросы современной педиатрии, 2023 The paper provides review of the scientific literature dedicated to the evolutionary aspects of breastfeeding in the animal kingdom. Differences in breast milk composition amongst different mammals along with changes in breast milk composition during ...
Sergey E. Ukraintsev, Tatiana N. Samal
doaj +1 more source