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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

Russian Science: Waking From Hibernation

Daniel Clery

<jats:p>Russian science has moved beyond survival mode and is trying to recapture its research glory. But as the government backs universities and applied research, what does the future hold for the Russian Academy of Sciences?</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1036-1042

University Research Should Compete With Russian Academy, Science Minister Argues

Daniel Clery

<jats:p> Minister of Education and Science Andrei Fursenko met with <jats:italic>Science</jats:italic> at the ministry's imposing Tverskaya Street headquarters in September to discuss how Russia plans to reinvigorate its research base. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1038-1039

Uncertain Future for Academy's Biology Experiment

Daniel Clery

<jats:p>Ask anyone familiar with the Russian Academy of Sciences how the organization can be reformed so that it funds the best researchers, rather than those with the best connections, and the discussion quickly turns to the efforts of Georgii Georgiev, who runs the academy's Molecular and Cell Biology program.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1040-1040

Time to Take Action on Climate Communication

Jennifer Sills (eds.)

Palabras clave: Multidisciplinary.

Pp. 1044-1044

Overbuilding: Under Pressure

Jennifer Sills (eds.)

Palabras clave: Multidisciplinary.

Pp. 1045-1045

Overbuilding: Doctoral Degree Surplus

Jennifer Sills (eds.)

Palabras clave: Multidisciplinary.

Pp. 1045-1045

Overbuilding: Overhead Revisions

Jennifer Sills (eds.)

Palabras clave: Multidisciplinary.

Pp. 1045-1047

Comment on “Single-Crystal X-ray Structure of 1,3-Dimethylcyclobutadiene by Confinement in a Crystalline Matrix”

David Scheschkewitz

<jats:p> Legrand <jats:italic>et al</jats:italic> . (Reports, 16 July 2010, p. 299) reported on the photolytic reaction of an α-pyrone confined in a crystalline matrix. Their structural analysis invoked four products: activated precursor, isomeric Dewar β-lactone, and square and rectangular isomers of 1,3-dimethylcyclobutadiene. The reported x-ray data, however, suggest that all observed structures correspond to only one distinct species, the Dewar β-lactone. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1047-1047

Response to Comments on “Single-Crystal X-ray Structure of 1,3-Dimethylcyclobutadiene by Confinement in a Crystalline Matrix”

Yves-Marie Legrand; Arie van der Lee; Mihail Barboiu

<jats:p> Scheschkewitz and Alabugin <jats:italic>et al</jats:italic> . suggest that photolysis under confinement in a crystalline matrix of 4,6-dimethyl-α-pyrone does not yield the crystal structure of 1,3-dimethylcyclobutadiene (Me <jats:sub>2</jats:sub> CBD) as we reported, but rather that of a 4,6-dimethyl-β-lactone intermediate. We provide arguments that the square-planar Me <jats:sub>2</jats:sub> CBD <jats:sup>S</jats:sup> <jats:bold>/</jats:bold> CO <jats:sub>2</jats:sub> complex and the rectangular-bent Me <jats:sub>2</jats:sub> CBD <jats:sup>R</jats:sup> molecule are stabilized under confinement by the guanidinium-sulfonate-calixarene host matrix used in our study. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1047-1047

Overbuilding: Boosting School Ratings

Jennifer Sills (eds.)

Palabras clave: Multidisciplinary.

Pp. 1047-1047