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Science
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Disponibilidad
| 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
1880-
Cobertura temática
Tabla de contenidos
Rapid and Extensive Surface Changes Near Titan’s Equator: Evidence of April Showers
E. P. Turtle; J. E. Perry; A. G. Hayes; R. D. Lorenz; J. W. Barnes; A. S. McEwen; R. A. West; A. D. Del Genio; J. M. Barbara; J. I. Lunine; E. L. Schaller; T. L. Ray; R. M. C. Lopes; E. R. Stofan
<jats:p>The Cassini spacecraft detected signs of recent methane rainfall on Titan’s arid equatorial surface.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1414-1417
Isotopic Evidence of Cr Partitioning into Earth’s Core
Frederic Moynier; Qing-Zhu Yin; Edwin Schauble
<jats:p>Chromium isotopes in meteorites reveal Earth’s accretion history.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1417-1420
Direct Observation of Continuous Electric Dipole Rotation in Flux-Closure Domains in Ferroelectric Pb(Zr,Ti)O 3
Chun-Lin Jia; Knut W. Urban; Marin Alexe; Dietrich Hesse; Ionela Vrejoiu
<jats:p>Domains can be stabilized in a thin ferroelectric material through the continuous rotation of the dipoles.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1420-1423
Vibrationally Quantum-State–Specific Reaction Dynamics of H Atom Abstraction by CN Radical in Solution
Stuart J. Greaves; Rebecca A. Rose; Thomas A. A. Oliver; David R. Glowacki; Michael N. R. Ashfold; Jeremy N. Harvey; Ian P. Clark; Gregory M. Greetham; Anthony W. Parker; Michael Towrie; Andrew J. Orr-Ewing
<jats:p>Molecular vibrations in a solution-phase reaction are detected at a level of detail rivaling that of gas-phase studies.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1423-1426
Regeneration of Ammonia Borane Spent Fuel by Direct Reaction with Hydrazine and Liquid Ammonia
Andrew D. Sutton; Anthony K. Burrell; David A. Dixon; Edward B. Garner; John C. Gordon; Tessui Nakagawa; Kevin C. Ott; J. Pierce Robinson; Monica Vasiliu
<jats:p>A method to regenerate lightweight, hydrogen-rich ammonia borane improves its prospects as a vehicular fuel source.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1426-1429
Dynamic Control of Chiral Space in a Catalytic Asymmetric Reaction Using a Molecular Motor
Jiaobing Wang; Ben L. Feringa
<jats:p>Photoisomerization of a molecular catalyst changes its conformation and switches the chirality of its reaction product.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1429-1432
Second-Order Selection for Evolvability in a Large Escherichia coli Population
Robert J. Woods; Jeffrey E. Barrick; Tim F. Cooper; Utpala Shrestha; Mark R. Kauth; Richard E. Lenski
<jats:p>Descendants of bacterial lineages that retained adaptation potential outcompeted competitors of higher fitness.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1433-1436
Independent and Parallel Recruitment of Preexisting Mechanisms Underlying C 4 Photosynthesis
Naomi J. Brown; Christine A. Newell; Susan Stanley; Jit E. Chen; Abigail J. Perrin; Kaisa Kajala; Julian M. Hibberd
<jats:p> Recurrent evolution of C <jats:sub>4</jats:sub> photosynthesis is due to conserved regulatory sequences that localize photosynthetic enzymes. </jats:p>
Palabras clave: Multidisciplinary.
Pp. 1436-1439
Cardiac Myosin Activation: A Potential Therapeutic Approach for Systolic Heart Failure
Fady I. Malik; James J. Hartman; Kathleen A. Elias; Bradley P. Morgan; Hector Rodriguez; Katjuša Brejc; Robert L. Anderson; Sandra H. Sueoka; Kenneth H. Lee; Jeffrey T. Finer; Roman Sakowicz; Ramesh Baliga; David R. Cox; Marc Garard; Guillermo Godinez; Raja Kawas; Erica Kraynack; David Lenzi; Pu Ping Lu; Alexander Muci; Congrong Niu; Xiangping Qian; Daniel W. Pierce; Maria Pokrovskii; Ion Suehiro; Sheila Sylvester; Todd Tochimoto; Corey Valdez; Wenyue Wang; Tatsuo Katori; David A. Kass; You-Tang Shen; Stephen F. Vatner; David J. Morgans
<jats:p>A small molecule improves cardiac function by accelerating the transition of myosin into a force-producing state.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1439-1443
Reversal of Interlaminar Signal Between Sensory and Memory Processing in Monkey Temporal Cortex
Daigo Takeuchi; Toshiyuki Hirabayashi; Keita Tamura; Yasushi Miyashita
<jats:p>Feed-forward signals flowing across cortical layers during sensory coding reverse direction during memory retrieval.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1443-1447