Browsing Faculty of Science by Title

Browsing Faculty of Science by Title

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  • Fitchett, J.M.; Grab, S.W; Bamford, M.K.; Mackay, A.W. (2016-07)
    Lesotho provides a unique context for palaeoclimatic research. The small country is entirely landlocked by South Africa, yet has considerable variation in topography, climate, and associated vegetation over an approximate ...
  • Kruger, A.; Randolph-Quinney, P.; Elliot, M. (Academic of Science of South Africa (ASSAf), 2016-05)
    The Dinaledi Chamber of the Rising Star Cave has yielded 1550 identifiable fossil elements - representing the largest single collection of fossil hominin material found on the African continent to date. The fossil chamber ...
  • Ronca, S.; Ramond, J.-B.; Jones, B.E.; Seely, M.; Cowan, D.A. (Frontiers Research Foundation, 2015-09)
    The sand dunes and inter-dune zones of the hyper-arid central Namib Desert represent heterogeneous soil habitats. As little is known about their indigenous edaphic bacterial communities, we aimed to evaluate their diversity ...
  • Abela, Steven; McGarrie, Moritz (Springer, 2014-07-29)
    We show how gauged flavour breaking and N = 1 supersymmetry breaking can be dynamically aligned to produce natural models. Supersymmetry is broken in a metastable vacuum, while a weakly gauged flavour symmetry is identified ...
  • Abdalgabar, A.; Cornell, A.S.; Deandrea, A.; McGarrie, M. (Springer Verlag, 2016-01)
    We explore unification and natural supersymmetry in a five dimensional extension of the standard model in which the extra dimension may be large, of the order of 1–10 TeV. Power law running generates a TeV scale At term ...
  • Sebastián-González, E.; Moleón, M.; Gibert, J.P.; Guimarães, P.R.; Sánchez-Zapata, J.A.; Botella, F.; Mateo-Tomás, P.; Olea, P.P. (Ecological Society of America, 2016-01)
    Disentangling the processes that shape the organization of ecological assemblages and its implications for species coexistence is one of the foremost challenges of ecology. Although insightful advances have recently related ...
  • Lund, E.K.; O'Connor, P.M.; Loewen, M.A.; Jinnah, Z.A. (Public Library of Science, 2016-05)
    The Upper Cretaceous (middle-late Campanian) Wahweap Formation of southern Utah contains the oldest diagnostic evidence of ceratopsids (to date, all centrosaurines) in North America, with a number of specimens recovered ...
  • Hawks, J.; Elliott, M.; Schmid, P.; Churchill, S.E.; de Ruiter, D.J.; Roberts, E.M.; Hilbert-Wolf, H.; Garvin, H.M.; Williams, S.A.; Delezene, L.K.; Feuerriegel, E.M.; Randolph-Quinney, P.; Kivell, T.L.; Laird, M.F.; Tawane, G.; DeSilva, J.M.; Bailey, S.E.; Brophy, J.K.; Meyer, M.R.; Skinner, M.M.; Tocheri, M.W.; VanSickle, C.; Walker, C.S.; Campbell, T.L.; Kuhn, B.; Kruger, A.; Tucker, S.; Gurtov, A.; Hlophe, N.; Hunter, R.; Morris, H.; Peixotto, B.; Ramalepa, M.; van Rooyen, D.; Tsikoane, M.; Boshoff, P.; Dirks, P.H.G.M.; Berger, L.R. (eLife Sciences Publications Ltd, 2017-05)
    The Rising Star cave system has produced abundant fossil hominin remains within the Dinaledi Chamber, representing a minimum of 15 individuals attributed to Homo naledi. Further exploration led to the discovery of hominin ...
  • Latif, M.A.; Dragomir, S.S. (University of Miskolc, 2015-09)
    In this paper, some new integral inequalities of Hermite-Hadamard type are presented for functions whose nth derivatives in absolute value are s-logarithmically convex. From our results, several inequalities of Hermite-Hadamard ...
  • Akbal, O.; Buchner, S.; Pines, D.; Alpar, M.A. (Oxford University Press (OUP), 2017-08)
    The interglitch timing of the Vela pulsar is characterized by a constant second derivative of the rotation rate. This takes over after the post-glitch exponential relaxation and is completed at about the time of the next ...
  • Symes, C.T. (AOSIS (pty) Ltd, 2017)
    Aloe reitzii var. reitzii is a succulent with a restricted distribution in the montane grassland of eastern South Africa. It is a summer (late January-March) flowering succulent that grows on rocky outcrops at 1000 m-1600 ...
  • Frohlich, H; Nabarro, F.R.N. (Physical Society, 1947)
    It is shown that at sufficiently low temperatures metals become ferromagnetic owing to an orientation of the nuclear spins. The domain structure of such ferromagnetics is analogous to that of ordinary ferromagnetics.
  • Schumann, C.; Saba, M; Warner, T.; Ferro, M.; Helsdon Jr, J.H.; Thomas, R.; Orville, R.E. (Nature Research, 2019-12)
    Upward lightning studies took place in Rapid City, South Dakota, USA and S. Paulo, Brazil during the summer thunderstorm seasons from 2011 to 2016. One of the main objectives of these campaigns was to evaluate and characterize ...
  • Zhang, N.; Feng, M.; Hendon, H.H.; Hobday, A.J.; Zinke, J. (Nature Publishing Group, 2017)
    Episodic anomalously warm sea surface temperature (SST) extremes, or marine heatwaves (MHWs), amplify ocean warming effects and may lead to severe impacts on marine ecosystems. MHW-induced coral bleaching events have been ...
  • Woodford, D.J.; Jordaan, M.S.; Kimberg, P.K.; Zengeya, T.; Weyl, O.L.F; Ivey, P. (National Botanical Institute/AOSIS, 2017)
    South Africa hosts a large number of non-native freshwater fishes that were introduced for various industries. Many of these species are now listed under the National Environmental Management: Biodiversity Act (NEM:BA) ...
  • Frohlich, H.; Nabarro, F.R.N. (Royal Society of London, 1940)
    In connexion with the possible use of nuclear magnetism for the magnetic cooling method, the behaviour of the nuclear spins of monovalent metals at very low temperatures is investigated theoretically.
  • Randolph-Quinney, P.S.; Williams, S.A.; Steyn, M.; Meyer, M.R.; Smilg, J.S.; Churchill, S.E.; Odes, E.J.; Augustine, T.; Tafforeau, P.; Berger, L.R. (Academy of Science of South Africa (ASSAf)., 2016-07)
    We describe the earliest evidence for neoplastic disease in the hominin lineage. This is reported from the type specimen of the extinct hominin Australopithecus sediba from Malapa, South Africa, dated to 1.98 million ...
  • Zipfel, B.; Jakata, K.; Bonney, H.; Odes, E.J.; Parkinson, A.H.; Randolph-Quinney, P.S.; Berger, L.R. (Academy of Science of South Africa (ASSAf), 2017-01)
    We present the first application of high-resolution micro computed tomography in an analysis of both the internal and external morphology of the lumbar region of StW 431 - a hominin skeleton recovered from Member 4 infill ...
  • Zininga, T.; Hoppe, H.C.; Prinsloo.E.; Dirr, H.W.; Shonhai, A.; Achilonu, I. (Public Library of Science., 2015-06-17)
    Six Hsp70-like genes are represented on the genome of Plasmodium falciparum. Of these two occur i0n the cytosol: P. falciparum Hsp70-z (PfHsp70-z) and PfHsp70-1. PfHsp70-1 is a well characterised canonical Hsp70 that ...
  • Rey, K.; Amiot, R.; Fourel, F.; Abdala, F.; Fluteau, F.; Jalil, N.-E.; Liu, J.; Rubidge, B.S.; Smith, R.M.H.; Steyer, J.S.; Viglietti, P.A.; Wang, X.; Lécuyer, C. (eLife Sciences Publications Ltd, 2017-07)
    The only true living endothermic vertebrates are birds and mammals, which produce and regulate their internal temperature quite independently from their surroundings. For mammal ancestors, anatomical clues suggest that ...

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