Vol 512, No. 7512, August 2014, Growth Factor

Langue : allemand

Edité par NPG Nature publishing group

Vendeur : Antiquariat Artemis Lorenz & Lorenz GbR, Leipzig, AllemagneAntiquariat Artemis Lorenz & Lorenz GbR

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Polar research: Six priorities for Antarctic science Mahlon C. Kennicutt II, Steven L. Chown and colleagues outline the most pressing questions in southern polar research, and call for greater collaboration and environmental protection in the region. Books and Arts Top Culture: Artistic alchemy Philip Ball unveils the scientific iconography in Albrecht Dürer's enigmatic engraving Melencolia I. Bias towards large genes in autism Shahar Shohat & Sagiv Shifman Zylka et al. reply Mark J. Zylka, Ben D. Philpot & Ian F. King Materials chemistry: Seeds of selective nanotube growth James M. Tour See also Letter by Sanchez-Valencia et al. Cancer: Directions for the drivers Greg Gibson See also Letter by Ongen et al. Neurodegeneration: Alzheimer's disease under strain Adriano Aguzzi Astrophysics: Portrait of a doomed star Stephen Justham See also Letter by McCully et al. HIV: Early treatment may not be early enough Kai Deng & Robert F. Siliciano See also Letter by Whitney et al. Evolution: Tooth structure re-engineered Zhe-Xi Luo See also Article by Harjunmaa et al. Articles Top Convergence of terrestrial plant production across global climate gradients Sean T. Michaletz, Dongliang Cheng, Andrew J. Kerkhoff & Brian J. Enquist Net primary production is affected by temperature and precipitation, but whether this is a direct kinetic effect on plant metabolism or an indirect ecological effect mediated by changes in plant age, plant biomass or growing season length is unclear ? this study develops metabolic scaling theory to be able to answer this question and applies it to a global data set of plant productivity, concluding that it is indirect effects that explain the influence of climate on productivity, which is characterized by a common scaling relationship across climate gradients. Replaying evolutionary transitions from the dental fossil record Enni Harjunmaa, Kerstin Seidel, Teemu Häkkinen, Elodie Renvoisé, Ian J. Corfe + et al. Gradual changes that occur to mammalian tooth morphology across evolutionary time were modelled in vitro and in vivo by modulation of signalling pathways in the mouse, and computer modelling was used to provide further analysis of the parameters influencing tooth morphology. See also News & Views by Luo Structure of the DDB1?CRBN E3 ubiquitin ligase in complex with thalidomide Eric S. Fischer, Kerstin Böhm, John R. Lydeard, Haidi Yang, Michael B. Stadler + et al. The crystal structures of thalidomide and its derivatives bound to the E3 ligase subcomplex DDB1?CRBN are shown; these drugs are found to have dual functions, interfering with the binding of certain cellular substrates to the E3 ligase but promoting the binding of others, thereby modulating the degradation of cellular proteins. Letters Top A luminous, blue progenitor system for the type Iax supernova 2012Z Curtis McCully, Saurabh W. Jha, Ryan J. Foley, Lars Bildsten, Wen-fai Fong + et al. The detection of the luminous, blue progenitor system of the type Iax supernova 2012Z suggests that this supernova was the explosion of a white dwarf accreting material from a helium-star companion. See also News & Views by Justham Tunable spin?spin interactions and entanglement of ions in separate potential wells A. C. Wilson, Y. Colombe, K. R. Brown, E. Knill, D. Leibfried + et al. The ability of individual ions trapped in separate potential wells to simulate spin?spin interactions is demonstrated by tuning the Coulomb interaction between two ions, independently controlling their local wells and entangling their internal states with a fidelity of approximately 0.82. Controlled synthesis of single-chirality carbon nanotubes Juan Ramon Sanchez-Valencia, Thomas Dienel, Oliver Gröning, Ivan Shorubalko, Andreas Mueller + et al. Present preparation methods fail to meet fully the demand for structurally pure single-walled carbon nanotubes; surface-catalysed cyclodehydrogenation reactions are now shown to convert precursor molecules deposited on a platinum(111) surface int.…

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Détails bibliographiques

Titre
Vol 512, No. 7512, August 2014, Growth Factor
Auteur
nature, THE INTERNATIONAL WEEKLY JOURNAL OF SCIENCE
Éditeur
NPG Nature publishing group
Langue
allemand
Poids de l'article
400 grammes

Antiquariat Artemis Lorenz & Lorenz GbR

Leipzig, Allemagne

Vendeur avec une évaluation de 5 étoiles

Vendeur AbeBooks depuis 26 mars 2015

Frais d'expédition de Allemagne vers Etats-Unis

Article2 à 20 jours ouvrés2 à 15 jours ouvrés
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