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Science RSS FeedsThis Week in Science - Earthquake Model Shakedown | A New Dawn | Tunneling Through with a Light Touch | By the Numbers | Mayan Astronomy | Osteoarthritis and Kartogenin | The Right Move | Dissecting DNA Repair | Find Your Partner | Reaction-Diffusion Patterning | Colorectal Cancer Signature | Exponential Growth Effects | Silence, Please...Feed Source: www.sciencemag.org Editors' Choice - Genetics: The Evolution of X and Y | Biomedicine: Mediating Metabolism | Hydrology: Groundwater Maps for Africa | Biochemistry: A (PEP)py Response | Education: All in Our Heads? | Applied Physics: Optical Origami | Climate Science: The Climate of the Apes... Findings - Infants' Flexible Heads Go Back Millions of Years | Late-Stage Grad Students Want Nonacademic Careers | The Fluid Mechanics of Walking With Coffee... [Editorial] Tackling Human Fungal Infections - Authors: Gordon D. Brown, David W. Denning, Stuart M. Levitz... [News of the Week] Around the World - In science news around the world this week, attorneys sought to prevent 9000-year-old bones from being handed over to American Indians; a senior U.S. health official disputed charges that the government tried to prearrange an advisory panel's recommendation to publish two studies that describe how to make the H5N1 avian influenza virus transmissible in mammals; the Philippines National Academy of Science and Technology blasted Greenpeace for tryi... [News of the Week] Random Sample - Students from five schools in rural Montana won a $15,000 prize in the America's Home Education Energy Challenge. Deep inside a mountain cave in Dachstein, Austria, an international team of researchers showed off a new suit that simulates the challenges that await human visitors to Mars. And this week's numbers quantify signatures protesting the Discovery Channel's self-censorship of climate change issues, the percentage of current Earth-observin... [News of the Week] Newsmakers - This week's Newsmakers are German Education and Research Minister Annette Schavan, who is facing allegations that she plagiarized parts of her dissertation, and Franco-Algerian particle physicist Adlène Hicheur, who received a 5-year prison sentence on terrorism charges.... [News & Analysis] Space Science: Europe Picks Jupiter Probe; Runners-Up Vow to Press On - Last week, the European Space Agency announced that it had chosen a ?1 billion satellite to study three icy moons of Jupiter as its next major science mission, scheduled to be launched in 2022.Author: Edwin Cartlidge... [News & Analysis] Lab Exposure: Death of California Researcher Spurs Investigation - Local and federal health agencies are investigating the death of Richard Din, a 25-year-old research associate at the Veterans Affairs Medical Center in San Francisco, California.Author: Greg Miller... [News & Analysis] Astronomy: Venus's Rare Sun Crossing May Aid Search for Exoplanets - Early next month, skywatchers will get their second?and final?chance this century to observe a rare mini-eclipse in which Venus crosses in front of the sun.Author: Ron Cowen... [News & Analysis] Condensed-Matter Physics: Reprise of First Experiment Casts Doubt on Supersolid Helium - A second pair of physicists has found further evidence that solid helium doesn't flow?ironically, by tweaking the experiment that started the controversy in the first place.Author: Adrian Cho... [News Focus] Paleobotany: Primeval Land Rises From the Ashes - A "vegetational Pompeii" buried in a coal deposit is shedding light on ecosystem structure and climate during the Permian period.Author: Mara Hvistendahl... [News Focus] Invasive Species: Researchers Set Course To Blockade Ballast Invaders - As U.S. regulations loom, scientists are working to test new devices that can remove potentially invasive organisms from ships' ballast water.Author: Daniel Strain... [News Focus] Invasive Species: A Foul Problem - From mussels to barnacles to algae, studies suggest that "hull-fouling" organisms could pose an invasion threat that is as great as if not greater than that from ballast creatures, researchers say.Author: Daniel Strain... [News Focus] Chagas Disease: With Novel Paint, Chemist Aims To Vanquish the Vinchuca - Spanish chemist Pilar Mateo invented a clever way to package insect-control agents in paint; after a decade of trying, she's persuaded Bolivia to give it a test.Author: Jean Friedman-Rudovsky... [Letter] Conservation Concerns in the Deep - Authors: Aaron C. Hartmann, Lisa A. Levin... [Letter] Presumed Guilt in the Anthrax Case - Author: Jeanne Guillemin... [Letter] Presumed Guilt in the Anthrax Case?Response - Author: David A. Relman... [Book Review] Neuroscience: Recalling Space and Time - In a narrative format that combines experimental results, theory, and personal experience, Hasselmo discusses his quantitative model of the brain mechanisms for encoding and remembering our experiences.Author: Laura Lee Colgin... [Book Review] Energy: The Wind at Our Backs - Building on his interviews with people involved in the development of wind energy, Warburg chronicles the industry's growth and challenges.Author: Dan Reicher... [Books et al.] Books Received - A listing of books received at Science during the week ending 04 May 2012.... [Policy Forum] Research Priorities: ELSI 2.0 for Genomics and Society - We need an international infrastructure for the ethical, legal, and social implications of genomic research.Authors: Jane Kaye, Eric M. Meslin, Bartha M. Knoppers, Eric T. Juengst, Mylène Deschênes, Anne Cambon-Thomsen, Donald Chalmers, Jantina De Vries, Kelly Edwards, Nils Hoppe, Alastair Kent, Clement Adebamowo, Patricia Marshall, Kazuto Kato... [Perspective] Cell Biology: FGF21 Takes a Fat Bite - A growth factor's varied effects on adipose tissue and thermogenesis may be attributable to its local and systemic actions.Authors: Carles Cantó, Johan Auwerx... [Perspective] Geophysics: Understanding Earthquakes - Sophisticated numerical models can reproduce a wide range of seismic activity at the Parkfield segment of the San Andreas Fault.Author: Paul Segall... [Perspective] Structural Biology: PARP-1 Activation?Bringing the Pieces Together - A model structure sheds light on how the PARP-1 protein is activated in DNA repair.Authors: Jean-Philippe Gagné, Michèle Rouleau, Guy G. Poirier... [Perspective] Physics: Intertwining Electron Tunneling with Light - The tunneling of electrons through barriers can be controlled when photons are coupled to excited states of electrons trapped in quantum wells.Author: Marzena H. Szyma?ska... [Perspective] Molecular Biology: RNA Plays Meiotic Matchmaker - RNA plays a role in homologous chromosome pairing during meiosis.Author: Abby F. Dernburg... [Perspective] Climate Change: The Ice Age Carbon Puzzle - A carbon isotope record helps to explain why carbon dioxide concentrations change during ice age cycles.Author: Edward Brook... [Report] Dawn at Vesta: Testing the Protoplanetary Paradigm - Spacecraft data provide a detailed characterization of the second most massive asteroid in the solar system.Authors: C. T. Russell, C. A. Raymond, A. Coradini, H. Y. McSween, M. T. Zuber, A. Nathues, M. C. De Sanctis, R. Jaumann, A. S. Konopliv, F. Preusker, S. W. Asmar, R. S. Park, R. Gaskell, H. U. Keller, S. Mottola, T. Roatsch, J. E. C. Scully, D. E. Smith, P. Tricarico, M. J. Toplis, U. R. Christensen, W. C. Feldman, D. J. Lawrence, T. J. Mc... [Report] Vesta?s Shape and Morphology - Spacecraft data provide a detailed characterization of the second most massive asteroid in the solar system.Authors: R. Jaumann, D. A. Williams, D. L. Buczkowski, R. A. Yingst, F. Preusker, H. Hiesinger, N. Schmedemann, T. Kneissl, J. B. Vincent, D. T. Blewett, B. J. Buratti, U. Carsenty, B. W. Denevi, M. C. De Sanctis, W. B. Garry, H. U. Keller, E. Kersten, K. Krohn, J.-Y. Li, S. Marchi, K. D. Matz, T. B. McCord, H. Y. McSween, S. C. Mest, D. W.... [Report] The Violent Collisional History of Asteroid 4 Vesta - Spacecraft data provide a detailed characterization of the second most massive asteroid in the solar system.Authors: S. Marchi, H. Y. McSween, D. P. O?Brien, P. Schenk, M. C. De Sanctis, R. Gaskell, R. Jaumann, S. Mottola, F. Preusker, C. A. Raymond, T. Roatsch, C. T. Russell... [Report] The Geologically Recent Giant Impact Basins at Vesta?s South Pole - Spacecraft data provide a detailed characterization of the second most massive asteroid in the solar system.Authors: Paul Schenk, David P. O?Brien, Simone Marchi, Robert Gaskell, Frank Preusker, Thomas Roatsch, Ralf Jaumann, Debra Buczkowski, Thomas McCord, Harry Y. McSween, David Williams, Aileen Yingst, Carol Raymond, Chris Russell... [Report] Spectroscopic Characterization of Mineralogy and Its Diversity Across Vesta - Spacecraft data provide a detailed characterization of the second most massive asteroid in the solar system.Authors: M. C. De Sanctis, E. Ammannito, M. T. Capria, F. Tosi, F. Capaccioni, F. Zambon, F. Carraro, S. Fonte, A. Frigeri, R. Jaumann, G. Magni, S. Marchi, T. B. McCord, L. A. McFadden, H. Y. McSween, D. W. Mittlefehldt, A. Nathues, E. Palomba, C. M. Pieters, C. A. Raymond, C. T. Russell, M. J. Toplis, D. Turrini... [Report] Color and Albedo Heterogeneity of Vesta from Dawn - Spacecraft data provide a detailed characterization of the second most massive asteroid in the solar system.Authors: Vishnu Reddy, Andreas Nathues, Lucille Le Corre, Holger Sierks, Jian-Yang Li, Robert Gaskell, Timothy McCoy, Andrew W. Beck, Stefan E. Schröder, Carle M. Pieters, Kris J. Becker, Bonnie J. Buratti, Brett Denevi, David T. Blewett, Ulrich Christensen, Michael J. Gaffey, Pablo Gutierrez-Marques, Michael Hicks, Horst Uwe Keller, Thorst... [Report] Coupling Quantum Tunneling with Cavity Photons - Optical coupling is used to control the tunneling of electrons between a pair of quantum wells.Authors: Peter Cristofolini, Gabriel Christmann, Simeon I. Tsintzos, George Deligeorgis, George Konstantinidis, Zacharias Hatzopoulos, Pavlos G. Savvidis, Jeremy J. Baumberg... [Report] Under the Hood of the Earthquake Machine: Toward Predictive Modeling of the Seismic Cycle - Computational models predict the long-term recurrence of earthquakes along a segment of the San Andreas Fault.Authors: Sylvain Barbot, Nadia Lapusta, Jean-Philippe Avouac... [Report] Carbon Isotope Constraints on the Deglacial CO2 Rise from Ice Cores - The stable isotopic composition of the carbon in carbon dioxide over the last 24,000 years illuminates past carbon cycle behavior.Authors: Jochen Schmitt, Robert Schneider, Joachim Elsig, Daiana Leuenberger, Anna Lourantou, Jérôme Chappellaz, Peter Köhler, Fortunat Joos, Thomas F. Stocker, Markus Leuenberger, Hubertus Fischer... [Report] Ancient Maya Astronomical Tables from Xultun, Guatemala - Wall paintings in a Mayan temple dating to the 9th century C.E. show calculations of Moon and, perhaps, planetary motion.Authors: William A. Saturno, David Stuart, Anthony F. Aveni, Franco Rossi... [Report] A Stem Cell?Based Approach to Cartilage Repair - A chemical screen using mesenchymal stem cells identifies a small molecule, kartogenin, that can promote chondrogenesis.Authors: Kristen Johnson, Shoutian Zhu, Matthew S. Tremblay, Joshua N. Payette, Jianing Wang, Laure C. Bouchez, Shelly Meeusen, Alana Althage, Charles Y. Cho, Xu Wu, Peter G. Schultz... [Report] Differential Diffusivity of Nodal and Lefty Underlies a Reaction-Diffusion Patterning System - The inhibitor Lefty diffuses more widely than the activator Nodal.Authors: Patrick Müller, Katherine W. Rogers, Ben M. Jordan, Joon S. Lee, Drew Robson, Sharad Ramanathan, Alexander F. Schier... [Report] Mechanical Control of Morphogenesis by Fat/Dachsous/Four-Jointed Planar Cell Polarity Pathway - Polarized proto-cadherin and myosin induce an anisotropic tension at cell junctions and thereby shape epithelial tissue.Authors: Floris Bosveld, Isabelle Bonnet, Boris Guirao, Sham Tlili, Zhimin Wang, Ambre Petitalot, Raphaël Marchand, Pierre-Luc Bardet, Philippe Marcq, François Graner, Yohanns Bellaïche... [Report] Structural Basis for DNA Damage?Dependent Poly(ADP-ribosyl)ation by Human PARP-1 - An enzyme that binds to damaged DNA undergoes a structural reorganization that enhances its catalytic activity.Authors: Marie-France Langelier, Jamie L. Planck, Swati Roy, John M. Pascal... [Report] Meiosis-Specific Noncoding RNA Mediates Robust Pairing of Homologous Chromosomes in Meiosis - An RNA transcript helps to bring together homologous chromosomes during cell division.Authors: Da-Qiao Ding, Kasumi Okamasa, Miho Yamane, Chihiro Tsutsumi, Tokuko Haraguchi, Masayuki Yamamoto, Yasushi Hiraoka... [Report] Epigenomic Enhancer Profiling Defines a Signature of Colon Cancer - Methylation tags at long-distance gene regulatory elements provide a signature specific to cancer cells.Authors: Batool Akhtar-Zaidi, Richard Cowper-Sal·lari, Olivia Corradin, Alina Saiakhova, Cynthia F. Bartels, Dheepa Balasubramanian, Lois Myeroff, James Lutterbaugh, Awad Jarrar, Matthew F. Kalady, Joseph Willis, Jason H. Moore, Paul J. Tesar, Thomas Laframboise, Sanford Markowitz, Mathieu Lupien, Peter C. Scacheri... [Report] Recent Explosive Human Population Growth Has Resulted in an Excess of Rare Genetic Variants - Genetic models that incorporate recent human population growth can better identify mutations in large samples.Authors: Alon Keinan, Andrew G. Clark... [Report] Transcription-Independent Function of Polycomb Group Protein PSC in Cell Cycle Control - A Polycomb group protein regulates the cell cycle by promoting cyclin B ubiquitylation and degradation.Authors: Adone Mohd-Sarip, Anna Lagarou, Cecile M. Doyen, Jan A. van der Knaap, Ülkü Aslan, Karel Bezstarosti, Yasmin Yassin, Hugh W. Brock, Jeroen A. A. Demmers, C. Peter Verrijzer... [Business Office Feature] Business Office Feature: LIFE SCIENCE TECHNOLOGIES: Spot-On Protein Microarrays: An Old Proteomics Tool - Author: Jeffrey M. Perkel... New Products - A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers.... [Podcast] Science Podcast - The show includes Mayan astronomical tables from the 9th century, cosmic insights from Vesta, a fossilized forest in China, and more.... Copyright © 2012, Database Technology Trends. All Rights Reserved. |