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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

Taking Our Lumps

Jennifer Sills (eds.)

Palabras clave: Multidisciplinary.

Pp. 643-644

Response to Comment on “Unexpected Epoxide Formation in the Gas-Phase Photooxidation of Isoprene”

Fabien Paulot; John D. Crounse; Henrik G. Kjaergaard; Andreas Kürten; Jason M. St. Clair; John H. Seinfeld; Paul O. Wennberg

<jats:p>Claeys questions whether gaseous epoxydiol is formed from the oxidation of isoprene and whether it is relevant to the formation of isoprene-derived secondary organic aerosol (iSOA). We argue that the alternative mechanism she proposes for iSOA applies primarily to chamber studies with high isoprene and is not as important in the atmosphere, where isoprene concentrations are much lower.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 644-644

Taking Our Lumps—Response

Jennifer Sills (eds.)

Palabras clave: Multidisciplinary.

Pp. 644-644

Comment on “Unexpected Epoxide Formation in the Gas-Phase Photooxidation of Isoprene”

Magda Claeys

<jats:p> Paulot <jats:italic>et al</jats:italic> . (Reports, 7 August 2009, p. 730) reported that the photooxidation of isoprene under low–nitrogen oxides (NO <jats:sub>x</jats:sub> ) conditions produces epoxides that can facilitate the formation of secondary organic aerosol (SOA). However, another pathway involving the formation of methyl-butenediol intermediates can also lead to isoprene-derived SOA formation. Further research is needed to clarify the fate of isoprene in the atmosphere. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 644-644

Corrections and Clarifications

Palabras clave: Multidisciplinary.

Pp. 644-644

The Trouble with Trees The New Foundations of Evolution On the Tree of Life by Jan Sapp Oxford University Press, New York, 2009. 445 pp. $99, £5

W. P. Hanage

<jats:p>Sapp explores how molecular methods have changed our understanding of microbial genetics and genomics and the large-scale relationships among microbes.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 645-646

Fearful Distractions Atomic Obsession Nuclear Alarmism from Hiroshima to Al-Qaeda by John Mueller Oxford University Press, New York, 2010. 336 pp. $27.95, £16

David Holloway

<jats:p>Offering a revisionist perspective, Mueller argues that the importance of nuclear weapons has been vastly overrated.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 646-646

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/feature/data/books/brl5966.dtl">listing of books received</jats:ext-link> at <jats:italic>Science</jats:italic> during the week ended 29 January 2010. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 646-646

Gene Doping and Sport

Theodore Friedmann; Olivier Rabin; Mark S. Frankel

<jats:p>Advances in gene therapy set the stage for the next generation of illegal doping, and doping detection, in sport.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 647-648

Tinkering Inside the Organelle

Felicity Alcock; Abigail Clements; Chaille Webb; Trevor Lithgow

<jats:p>Debate about eukaryote evolution includes alternate views on the processes that gave rise to mitochondria.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 649-650