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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
Women fare well in this year’s crop of NIH high-risk awards
Jocelyn Kaiser
Palabras clave: Multidisciplinary.
Pp. No disponible
How long is Saturn’s day? Search reveals an even deeper mystery
Paul Voosen
Palabras clave: Multidisciplinary.
Pp. No disponible
How I got through my publication drought
Amir Sheikhi
Palabras clave: Multidisciplinary.
Pp. No disponible
Top stories: ‘the God particle’ father, rivers of stars, and Nobel winners
Frankie Schembri
Palabras clave: Multidisciplinary.
Pp. No disponible
Two Patched molecules engage distinct sites on Hedgehog yielding a signaling-competent complex
Xiaofeng Qi
; Philip Schmiege; Elias Coutavas; Xiaochun Li
<jats:title>It takes two to signal</jats:title> <jats:p> The Hedgehog (HH) signaling pathway is important in development, and excessive HH signaling is associated with cancer. Signaling occurs through the G protein–coupled receptor Smoothened. The pathway is repressed by the membrane receptor Patched-1 (PTCH1), and this inhibition is relieved when PTCH1 binds the secreted protein HH. Two recent papers have described structures of HH bound to PTCH1, but surprisingly, each described a different binding epitope on HH. Qi <jats:italic>et al.</jats:italic> present a cryo–electron microscopy structure that explains this apparent contradiction by showing that a single HH protein uses both of these interfaces to engage two PTCH1 receptors (see the Perspective by Sommer and Lemmon). Functional assays suggest that both interfaces must be bound for efficient signaling. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aas8843">eaas8843</jats:related-article> ; see also p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" issue="6410" page="26" related-article-type="in-this-issue" vol="362" xlink:href="10.1126/science.aav1025">26</jats:related-article> </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
Chemical interactions between Saturn’s atmosphere and its rings
J. H. Waite; R. S. Perryman; M. E. Perry; K. E. Miller; J. Bell; T. E. Cravens; C. R. Glein; J. Grimes; M. Hedman; J. Cuzzi; T. Brockwell; B. Teolis; L. Moore; D. G. Mitchell; A. Persoon; W. S. Kurth; J.-E. Wahlund; M. Morooka; L. Z. Hadid; S. Chocron; J. Walker; A. Nagy; R. Yelle; S. Ledvina; R. Johnson; W. Tseng; O. J. Tucker; W.-H. Ip
<jats:title>Cassini's final phase of exploration</jats:title> <jats:p> The Cassini spacecraft spent 13 years orbiting Saturn; as it ran low on fuel, the trajectory was changed to sample regions it had not yet visited. A series of orbits close to the rings was followed by a Grand Finale orbit, which took the spacecraft through the gap between Saturn and its rings before the spacecraft was destroyed when it entered the planet's upper atmosphere. Six papers in this issue report results from these final phases of the Cassini mission. Dougherty <jats:italic>et al.</jats:italic> measured the magnetic field close to Saturn, which implies a complex multilayer dynamo process inside the planet. Roussos <jats:italic>et al.</jats:italic> detected an additional radiation belt trapped within the rings, sustained by the radioactive decay of free neutrons. Lamy <jats:italic>et al.</jats:italic> present plasma measurements taken as Cassini flew through regions emitting kilometric radiation, connected to the planet's aurorae. Hsu <jats:italic>et al.</jats:italic> determined the composition of large, solid dust particles falling from the rings into the planet, whereas Mitchell <jats:italic>et al.</jats:italic> investigated the smaller dust nanograins and show how they interact with the planet's upper atmosphere. Finally, Waite <jats:italic>et al.</jats:italic> identified molecules in the infalling material and directly measured the composition of Saturn's atmosphere. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat5434">eaat5434</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat1962">eaat1962</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2027">eaat2027</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat3185">eaat3185</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2236">eaat2236</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2382">eaat2382</jats:related-article> </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
In situ collection of dust grains falling from Saturn’s rings into its atmosphere
Hsiang-Wen Hsu; Jürgen Schmidt; Sascha Kempf; Frank Postberg; Georg Moragas-Klostermeyer; Martin Seiß; Holger Hoffmann; Marcia Burton; ShengYi Ye; William S. Kurth; Mihály Horányi; Nozair Khawaja; Frank Spahn; Daniel Schirdewahn; James O’Donoghue; Luke Moore; Jeff Cuzzi; Geraint H. Jones; Ralf Srama
<jats:title>Cassini's final phase of exploration</jats:title> <jats:p> The Cassini spacecraft spent 13 years orbiting Saturn; as it ran low on fuel, the trajectory was changed to sample regions it had not yet visited. A series of orbits close to the rings was followed by a Grand Finale orbit, which took the spacecraft through the gap between Saturn and its rings before the spacecraft was destroyed when it entered the planet's upper atmosphere. Six papers in this issue report results from these final phases of the Cassini mission. Dougherty <jats:italic>et al.</jats:italic> measured the magnetic field close to Saturn, which implies a complex multilayer dynamo process inside the planet. Roussos <jats:italic>et al.</jats:italic> detected an additional radiation belt trapped within the rings, sustained by the radioactive decay of free neutrons. Lamy <jats:italic>et al.</jats:italic> present plasma measurements taken as Cassini flew through regions emitting kilometric radiation, connected to the planet's aurorae. Hsu <jats:italic>et al.</jats:italic> determined the composition of large, solid dust particles falling from the rings into the planet, whereas Mitchell <jats:italic>et al.</jats:italic> investigated the smaller dust nanograins and show how they interact with the planet's upper atmosphere. Finally, Waite <jats:italic>et al.</jats:italic> identified molecules in the infalling material and directly measured the composition of Saturn's atmosphere. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat5434">eaat5434</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat1962">eaat1962</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2027">eaat2027</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat3185">eaat3185</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2236">eaat2236</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2382">eaat2382</jats:related-article> </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
A radiation belt of energetic protons located between Saturn and its rings
E. Roussos; P. Kollmann; N. Krupp; A. Kotova; L. Regoli; C. Paranicas; D. G. Mitchell; S. M. Krimigis; D. Hamilton; P. Brandt; J. Carbary; S. Christon; K. Dialynas; I. Dandouras; M. E. Hill; W. H. Ip; G. H. Jones; S. Livi; B. H. Mauk; B. Palmaerts; E. C. Roelof; A. Rymer; N. Sergis; H. T. Smith
<jats:title>Cassini's final phase of exploration</jats:title> <jats:p> The Cassini spacecraft spent 13 years orbiting Saturn; as it ran low on fuel, the trajectory was changed to sample regions it had not yet visited. A series of orbits close to the rings was followed by a Grand Finale orbit, which took the spacecraft through the gap between Saturn and its rings before the spacecraft was destroyed when it entered the planet's upper atmosphere. Six papers in this issue report results from these final phases of the Cassini mission. Dougherty <jats:italic>et al.</jats:italic> measured the magnetic field close to Saturn, which implies a complex multilayer dynamo process inside the planet. Roussos <jats:italic>et al.</jats:italic> detected an additional radiation belt trapped within the rings, sustained by the radioactive decay of free neutrons. Lamy <jats:italic>et al.</jats:italic> present plasma measurements taken as Cassini flew through regions emitting kilometric radiation, connected to the planet's aurorae. Hsu <jats:italic>et al.</jats:italic> determined the composition of large, solid dust particles falling from the rings into the planet, whereas Mitchell <jats:italic>et al.</jats:italic> investigated the smaller dust nanograins and show how they interact with the planet's upper atmosphere. Finally, Waite <jats:italic>et al.</jats:italic> identified molecules in the infalling material and directly measured the composition of Saturn's atmosphere. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat5434">eaat5434</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat1962">eaat1962</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2027">eaat2027</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat3185">eaat3185</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2236">eaat2236</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2382">eaat2382</jats:related-article> </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
Saturn’s magnetic field revealed by the Cassini Grand Finale
Michele K. Dougherty; Hao Cao; Krishan K. Khurana; Gregory J. Hunt; Gabrielle Provan; Stephen Kellock; Marcia E. Burton; Thomas A. Burk; Emma J. Bunce; Stanley W. H. Cowley; Margaret G. Kivelson; Christopher T. Russell; David J. Southwood
<jats:title>Cassini's final phase of exploration</jats:title> <jats:p> The Cassini spacecraft spent 13 years orbiting Saturn; as it ran low on fuel, the trajectory was changed to sample regions it had not yet visited. A series of orbits close to the rings was followed by a Grand Finale orbit, which took the spacecraft through the gap between Saturn and its rings before the spacecraft was destroyed when it entered the planet's upper atmosphere. Six papers in this issue report results from these final phases of the Cassini mission. Dougherty <jats:italic>et al.</jats:italic> measured the magnetic field close to Saturn, which implies a complex multilayer dynamo process inside the planet. Roussos <jats:italic>et al.</jats:italic> detected an additional radiation belt trapped within the rings, sustained by the radioactive decay of free neutrons. Lamy <jats:italic>et al.</jats:italic> present plasma measurements taken as Cassini flew through regions emitting kilometric radiation, connected to the planet's aurorae. Hsu <jats:italic>et al.</jats:italic> determined the composition of large, solid dust particles falling from the rings into the planet, whereas Mitchell <jats:italic>et al.</jats:italic> investigated the smaller dust nanograins and show how they interact with the planet's upper atmosphere. Finally, Waite <jats:italic>et al.</jats:italic> identified molecules in the infalling material and directly measured the composition of Saturn's atmosphere. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat5434">eaat5434</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat1962">eaat1962</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2027">eaat2027</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat3185">eaat3185</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2236">eaat2236</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2382">eaat2382</jats:related-article> </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
The low-frequency source of Saturn’s kilometric radiation
L. Lamy; P. Zarka; B. Cecconi; R. Prangé; W. S. Kurth; G. Hospodarsky; A. Persoon; M. Morooka; J.-E. Wahlund; G. J. Hunt
<jats:title>Cassini's final phase of exploration</jats:title> <jats:p> The Cassini spacecraft spent 13 years orbiting Saturn; as it ran low on fuel, the trajectory was changed to sample regions it had not yet visited. A series of orbits close to the rings was followed by a Grand Finale orbit, which took the spacecraft through the gap between Saturn and its rings before the spacecraft was destroyed when it entered the planet's upper atmosphere. Six papers in this issue report results from these final phases of the Cassini mission. Dougherty <jats:italic>et al.</jats:italic> measured the magnetic field close to Saturn, which implies a complex multilayer dynamo process inside the planet. Roussos <jats:italic>et al.</jats:italic> detected an additional radiation belt trapped within the rings, sustained by the radioactive decay of free neutrons. Lamy <jats:italic>et al.</jats:italic> present plasma measurements taken as Cassini flew through regions emitting kilometric radiation, connected to the planet's aurorae. Hsu <jats:italic>et al.</jats:italic> determined the composition of large, solid dust particles falling from the rings into the planet, whereas Mitchell <jats:italic>et al.</jats:italic> investigated the smaller dust nanograins and show how they interact with the planet's upper atmosphere. Finally, Waite <jats:italic>et al.</jats:italic> identified molecules in the infalling material and directly measured the composition of Saturn's atmosphere. </jats:p> <jats:p> <jats:italic>Science</jats:italic> , this issue p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat5434">eaat5434</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat1962">eaat1962</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2027">eaat2027</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat3185">eaat3185</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2236">eaat2236</jats:related-article> , p. <jats:related-article xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="doi" related-article-type="in-this-issue" xlink:href="10.1126/science.aat2382">eaat2382</jats:related-article> </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible