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Institución detectada Período Navegá Descargá Solicitá
No detectada desde mar. 1997 / hasta dic. 2023 Science Journals

Información

Tipo de recurso:

revistas

ISSN impreso

0036-8075

ISSN electrónico

1095-9203

Editor responsable

American Association for the Advancement of Science (AAAS)

País de edición

Estados Unidos

Fecha de publicación

Cobertura temática

Tabla de contenidos

Nuclear Ambivalence No More?

Dennis Normile

<jats:p>The crisis at Fukushima Daiichi nuclear power plant that riveted the world last spring has had a potent effect on the industry's future.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1166-1166

The Next Big(ger) Thing

Robert F. Service

<jats:p>Physicists, chemists, and materials scientists are looking to build on the success of nanoscale science by unraveling the mysteries at the mesoscale.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1167-1167

Asian Medicine: Exploitation of Wildlife

Xiuxiang Meng; Deguang Liu; Jinchao Feng; Zhibin Meng

Palabras clave: Multidisciplinary.

Pp. 1168-1168

Asian Medicine: Exploitation of Plants

Shixiong Cao; Qi Feng

Palabras clave: Multidisciplinary.

Pp. 1168-1169

Chimp Research Policy: Think Global

Jim Moore

Palabras clave: Multidisciplinary.

Pp. 1169-1169

Response to Comment on “Fossilized Nuclei and Germination Structures Identify Ediacaran ‘Animal Embryos’ as Encysting Protists”

Therese Huldtgren; John A. Cunningham; Chongyu Yin; Marco Stampanoni; Federica Marone; Philip C. J. Donoghue; Stefan Bengtson

<jats:p> The objections of Xiao <jats:italic>et al</jats:italic> . to our reinterpretation are based on incorrect assumptions. The lack of nanocrystals lining the nuclear membrane is consistent with membrane fossilization, and nucleus volume through development is correlated to cytoplasm volume and fully consistent with sizes of eukaryote nuclei. Identical envelope structure unites the developmental stages of the fossils, and 2 <jats:italic> <jats:sup>n</jats:sup> </jats:italic> cleavage and Y-shaped junctions are holozoan symplesiomorphies. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1169-1169

Business Journals Combat Coercive Citation

John G. Lynch

Palabras clave: Multidisciplinary.

Pp. 1169-1169

Comment on “Fossilized Nuclei and Germination Structures Identify Ediacaran ‘Animal Embryos’ as Encysting Protists”

Shuhai Xiao; Andrew H. Knoll; James D. Schiffbauer; Chuanming Zhou; Xunlai Yuan

<jats:p> On the basis of putative nuclei and endospores, Huldtgren <jats:italic>et al</jats:italic> . (Reports, 23 December 2011, p. 1696) propose that embryo-like Doushantuo microfossils are nonmetazoan holozoans akin to mesomycetozoeans. However, both size and preservation preclude interpretation of internal structures as nuclei. Moreover, the authors may have conflated two different populations; some specimens display a pseudoparenchymatous organization incompatible with a mesomycetozoean comparison. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1169-1169

The Economic Logic of U.S. Science How Economics Shapes Science by Paula Stephan Harvard University Press, Cambridge, MA, 2012. 383 pp. $45, £33.95, €40.50. ISBN 9780674049710

Maryann Feldman

<jats:p>Examining university science as an economic enterprise, Stephan explores what it costs, who pays for it, and who benefits.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1171-1171

Books Received

<jats:p> A <jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://www.sciencemag.org/site/feature/data/books/brl6073.xhtml">listing of books received</jats:ext-link> at <jats:italic>Science</jats:italic> during the week ending 02 March 2012. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1172-1172