Catálogo de publicaciones - revistas
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
Why Finance Matters
Jonathan Morduch
<jats:p>A study from the Philippines adds to the case for rethinking the use and impact of microcredit loans.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1271-1272
Terrestrial Ecosystem Responses to Species Gains and Losses
David A. Wardle; Richard D. Bardgett; Ragan M. Callaway; Wim H. Van der Putten
<jats:p>Ecosystems worldwide are losing some species and gaining others, resulting in an interchange of species that is having profound impacts on how these ecosystems function. However, research on the effects of species gains and losses has developed largely independently of one another. Recent conceptual advances regarding effects of species gain have arisen from studies that have unraveled the mechanistic basis of how invading species with novel traits alter biotic interactions and ecosystem processes. In contrast, studies on traits associated with species loss are fewer, and much remains unknown about how traits that predispose species to extinction affect ecological processes. Species gains and losses are both consequences and drivers of global change; thus, explicit integration of research on how both processes simultaneously affect ecosystem functioning is key to determining the response of the Earth system to current and future human activities.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1273-1277
Microcredit in Theory and Practice: Using Randomized Credit Scoring for Impact Evaluation
Dean Karlan; Jonathan Zinman
<jats:p>A randomized controlled trial reveals both expected and surprising effects of microcredit.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1278-1284
Local Macrophage Proliferation, Rather than Recruitment from the Blood, Is a Signature of T H 2 Inflammation
Stephen J. Jenkins; Dominik Ruckerl; Peter C. Cook; Lucy H. Jones; Fred D. Finkelman; Nico van Rooijen; Andrew S. MacDonald; Judith E. Allen
<jats:p>Proliferation in situ, rather than immune cell recruitment, drives macrophage expansion in response to parasitic infection.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1284-1288
Real-Time Dynamics of Quantized Vortices in a Unitary Fermi Superfluid
Aurel Bulgac; Yuan-Lung Luo; Piotr Magierski; Kenneth J. Roche; Yongle Yu
<jats:p>A generalized theoretical approach is developed to describe the dynamics and phase transitions of Fermi superfluids.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1288-1291
Transformation Optics Using Graphene
Ashkan Vakil; Nader Engheta
<jats:p>Simulations show that control of the conductivity of a region within a graphene sheet could guide optical waves.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1291-1294
Wafer-Scale Graphene Integrated Circuit
Yu-Ming Lin; Alberto Valdes-Garcia; Shu-Jen Han; Damon B. Farmer; Inanc Meric; Yanning Sun; Yanqing Wu; Christos Dimitrakopoulos; Alfred Grill; Phaedon Avouris; Keith A. Jenkins
<jats:p>Components such as inductors were fabricated alongside graphene transistors to create integrated radio-frequency mixers.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1294-1297
Endotoxin-Induced Structural Transformations in Liquid Crystalline Droplets
I-Hsin Lin; Daniel S. Miller; Paul J. Bertics; Christopher J. Murphy; Juan J. de Pablo; Nicholas L. Abbott
<jats:p>Bacterial lipid A was detected by its interactions with defects in droplet-confined liquid crystals.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1297-1300
Methylhydroxycarbene: Tunneling Control of a Chemical Reaction
Peter R. Schreiner; Hans Peter Reisenauer; David Ley; Dennis Gerbig; Chia-Hua Wu; Wesley D. Allen
<jats:p>Quantum tunneling induces the opposite outcome expected from traditional kinetic factors in a chemical rearrangement.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1300-1303
Origin and Evolution of Prebiotic Organic Matter As Inferred from the Tagish Lake Meteorite
Christopher D. K. Herd; Alexandra Blinova; Danielle N. Simkus; Yongsong Huang; Rafael Tarozo; Conel M. O’D. Alexander; Frank Gyngard; Larry R. Nittler; George D. Cody; Marilyn L. Fogel; Yoko Kebukawa; A. L. David Kilcoyne; Robert W. Hilts; Greg F. Slater; Daniel P. Glavin; Jason P. Dworkin; Michael P. Callahan; Jamie E. Elsila; Bradley T. De Gregorio; Rhonda M. Stroud
<jats:p>The study of organic matter in a well-preserved meteorite provides insight into processes that affected its parent asteroids.</jats:p>
Palabras clave: Multidisciplinary.
Pp. 1304-1307