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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

In Evolution, the Sum Is Less than Its Parts

Sergey Kryazhimskiy; Jeremy A. Draghi; Joshua B. Plotkin

<jats:p>Laboratory experiments with bacteria shed light on how epistatic interactions influence the pace of evolution.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1160-1161

Behavior and the Dynamic Genome

Alison M. Bell; Gene E. Robinson

<jats:p>Does behavior evolve via gene expression changes in the brain in response to the environment?</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1161-1162

A Bacterium That Can Grow by Using Arsenic Instead of Phosphorus

Felisa Wolfe-Simon; Jodi Switzer Blum; Thomas R. Kulp; Gwyneth W. Gordon; Shelley E. Hoeft; Jennifer Pett-Ridge; John F. Stolz; Samuel M. Webb; Peter K. Weber; Paul C. W. Davies; Ariel D. Anbar; Ronald S. Oremland

<jats:p>Evidence is offered for arsenate replacing phosphate as a molecular building block in a Mono Lake, California, bacterium.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1163-1166

Polariton Superfluids Reveal Quantum Hydrodynamic Solitons

A. Amo; S. Pigeon; D. Sanvitto; V. G. Sala; R. Hivet; I. Carusotto; F. Pisanello; G. Leménager; R. Houdré; E Giacobino; C. Ciuti; A. Bramati

<jats:p>A condensed-matter system is used to study superfluid dynamics.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1167-1170

Observing the Average Trajectories of Single Photons in a Two-Slit Interferometer

Sacha Kocsis; Boris Braverman; Sylvain Ravets; Martin J. Stevens; Richard P. Mirin; L. Krister Shalm; Aephraim M. Steinberg

<jats:p>An experiment determined the trajectories of single photons through a two-slit interferometer.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1170-1173

Spin-Liquid Ground State of the S = 1/2 Kagome Heisenberg Antiferromagnet

Simeng Yan; David A. Huse; Steven R. White

<jats:p>Numerical calculations reveal that the true ground state of a frustrated two-dimensional system is a gapped spin liquid.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1173-1176

Two-Dimensional Mott-Hubbard Electrons in an Artificial Honeycomb Lattice

A. Singha; M. Gibertini; B. Karmakar; S. Yuan; M. Polini; G. Vignale; M. I. Katsnelson; A. Pinczuk; L. N. Pfeiffer; K. W. West; V. Pellegrini

<jats:p>A collective electron excitation displays an unusual dependence on an applied magnetic field.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1176-1179

A Material with Electrically Tunable Strength and Flow Stress

Hai-Jun Jin; Jörg Weissmüller

<jats:p>Changes in a layer of oxygen absorbed onto nanoporous gold reversibly affect its mechanical properties.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1179-1182

Magnetosphere Sawtooth Oscillations Induced by Ionospheric Outflow

O. J. Brambles; W. Lotko; B. Zhang; M. Wiltberger; J. Lyon; R. J. Strangeway

<jats:p> Numerical simulations show that a magnetospheric disturbance is caused by an influx of O <jats:sup>+</jats:sup> ions from the ionosphere. </jats:p>

Palabras clave: Multidisciplinary.

Pp. 1183-1186

Evidence of a Global Magma Ocean in Io’s Interior

Krishan K. Khurana; Xianzhe Jia; Margaret G. Kivelson; Francis Nimmo; Gerald Schubert; Christopher T. Russell

<jats:p>Magnetic field measurements made near Jupiter’s moon Io strengthen the evidence for a magma ocean in its interior.</jats:p>

Palabras clave: Multidisciplinary.

Pp. 1186-1189