Overview
News
Users
Forum
Reviews
Tags
Similar items
Science » Recent news items
02 Sep 2010
The show includes how social network structure affects the spread of behavior, challenging the mammoth-killer impact hypothesis, your letters to
Science, and more.
02 Sep 2010
A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers.
02 Sep 2010
Pathogenic bacterial proteins interfere with eukaryotic ubiquitination pathways to induce cytopathic effects.
Authors: Jixin Cui, Qing Yao, Shan Li, Xiaojun Ding, Qiuhe Lu, Haibin Mao, Liping Liu, Ning Zheng, She Chen, Feng Shao
02 Sep 2010
Ligand engagement and initiation of signaling has been imaged for a costimulatory receptor for immune cells in the skin.
Authors: Petra Verdino, Deborah A. Witherden, Wendy L. Havran, Ian A. Wilson
02 Sep 2010
A costimulatory receptor for immune cells in the skin is identified.
Authors: Deborah A. Witherden, Petra Verdino, Stephanie E. Rieder, Olivia Garijo, Robyn E. Mills, Luc Teyton, Wolfgang H. Fischer, Ian A. Wilson, Wendy L. Havran
02 Sep 2010
The energy sensor AMPK facilitates gene transcription by localizing to chromatin and phosphorylating histone H2B.
Authors: David Bungard, Benjamin J. Fuerth, Ping-Yao Zeng, Brandon Faubert, Nancy L. Maas, Benoit Viollet, David Carling, Craig B. Thompson, Russell G. Jones, Shelley L. Berger
02 Sep 2010
Bacterial colonization of the mucosa is facilitated if the microbes engage a human receptor that counteracts epithelial exfoliation.
Authors: Petra Muenzner, Verena Bachmann, Wolfgang Zimmermann, Jochen Hentschel, Christof R. Hauck
02 Sep 2010
An online experiment shows how network structure affects the spread of health behavior.
Author: Damon Centola
02 Sep 2010
Future assemblies of animals following mass extinction cannot be predicted by analyses of Phanerozoic fossils.
Author: J. Alroy
02 Sep 2010
Water trapped between mica and graphene layers at ambient conditions was imaged with atomic force microscopy.
Authors: Ke Xu, Peigen Cao, James R. Heath
02 Sep 2010
The amount of plastic debris in the surface waters of the western North Atlantic Ocean has plateaued over the past 22 years.
Authors: Kara Lavender Law, Skye Morét-Ferguson, Nikolai A. Maximenko, Giora Proskurowski, Emily E. Peacock, Jan Hafner, Christopher M. Reddy
02 Sep 2010
The temporal evolution of vortices in a superfluid is revealed by imaging an ultracold atomic cloud undergoing free fall.
Authors: D. V. Freilich, D. M. Bianchi, A. M. Kaufman, T. K. Langin, D. S. Hall
02 Sep 2010
Hydrogen-poor conditions allow fullerenes to form in space.
Authors: Jan Cami, Jeronimo Bernard-Salas, Els Peeters, Sarah Elizabeth Malek
02 Sep 2010
High-throughput screening has offered up an oral antimalarial drug and pointers to its mechanism of action.
Authors: Matthias Rottmann, Case McNamara, Bryan K. S. Yeung, Marcus C. S. Lee, Bin Zou, Bruce Russell, Patrick Seitz, David M. Plouffe, Neekesh V. Dharia, Jocelyn Tan, Steven B. Cohen, Kathryn R. Spencer, Gonzalo E. González-Páez, Suresh B. Lakshminarayana, Anne Goh, Rossarin Suwanarusk, Timothy Jegla, Esther K. Schmitt, Hans-Peter Beck, Reto Brun, Francois Nosten, Laurent Renia, Veronique Dartois, Thomas H. Keller, David A. Fidock, Elizabeth A. Winzeler, Thierry T. Diagana
02 Sep 2010
Tenofovir in a vaginal gel formulation shows significant protection against HIV infection in a randomized control trial.
Authors: Quarraisha Abdool Karim, Salim S. Abdool Karim, Janet A. Frohlich, Anneke C. Grobler, Cheryl Baxter, Leila E. Mansoor, Ayesha B. M. Kharsany, Sengeziwe Sibeko, Koleka P. Mlisana, Zaheen Omar, Tanuja N. Gengiah, Silvia Maarschalk, Natasha Arulappan, Mukelisiwe Mlotshwa, Lynn Morris, Douglas Taylor, on behalf of the CAPRISA 004 Trial Group
02 Sep 2010
Isotope fractionation in a common refrigerant may provide insights into the mechanism of stratospheric ozone depletion.
Authors: J. C. Laube, J. Kaiser, W. T. Sturges, H. Bönisch, A. Engel
02 Sep 2010
Authors: Qimiao Si, Frank Steglich
02 Sep 2010
Hydrogen-poor conditions in a planetary nebula enable the detection of carbon-cage molecules C
60 and C
70, confirming the existence of fullerenes in space.
Authors: Pascale Ehrenfreund, Bernard H. Foing
02 Sep 2010
An enzyme that senses metabolic stress phosphorylates a chromatin protein to control gene expression and adaptive responses.
Author: D. Grahame Hardie
02 Sep 2010
A graphene overlayer is used to map the structure of water from ice to liquid, one atomic layer at a time.
Author: Mikhail I. Katsnelson
02 Sep 2010
Analysis of a large fossil database puts a new curve on the history of marine life.
Author: Charles R. Marshall
02 Sep 2010
Epidermal T cell responses to injury and infection require stimulation by a protein that maintains cell adhesion and normal dermal integrity.
Authors: Andrey S. Shaw, Yina Huang
02 Sep 2010
A return to traditional screening methods has rapidly produced a candidate malaria drug.
Author: Timothy N. C. Wells
02 Sep 2010
To help meet economic challenges, 2- and 4-year colleges must collaborate to improve student completion and transfer.
Author: George R. Boggs
02 Sep 2010
Through discussions of particular observatories around the globe, the contributors explore the practices, technologies, and contexts of 19th-century astronomy.
Author: Gustav Holmberg
02 Sep 2010
Casti applies his background in complexity studies to explore the role of psychology in shaping the mass behavior of humans.
Author: Richard Taylor
02 Sep 2010
Author: Janardan P. Pandey
02 Sep 2010
Authors: Natalia Shakhova, Igor Semiletov, Örjan Gustafsson
02 Sep 2010
Authors: Vasilii V. Petrenko, David M. Etheridge, Ray F. Weiss, Edward J. Brook, Hinrich Schaefer, Jeffrey P. Severinghaus, Andrew M. Smith, Dave Lowe, Quan Hua, Katja Riedel
02 Sep 2010
Authors: Jenifer E. Dugan, Omar Defeo, Eduardo Jaramillo, Alan R. Jones, Mariano Lastra, Ronel Nel, Charles H. Peterson, Felicita Scapini, Thomas Schlacher, David S. Schoeman
02 Sep 2010
Researchers thought they knew the sun very well. Now, they are squabbling over the abundance of different elements in it.
Author: Yudhijit Bhattacharjee
02 Sep 2010
When he arrived at the dangerous Thai-Burmese border in 1984, François Nosten barely knew what research was. Today, he's one of the world's top malaria scientists.
Author: Martin Enserink
02 Sep 2010
After a new study failed to find nanodiamonds, impact experts are flatly rejecting outsiders' claims that an impact 12,900 years ago devastated the megafauna.
Author: Richard A. Kerr
02 Sep 2010
ScienceInsider reported this week that the editor of the journal
Cognition says he believes that fabrication is the most plausible explanation for data in a 2002 paper by Harvard University's Marc Hauser involving cotton-top tamarins, among other stories.
02 Sep 2010
Frank Gannon probably could have finished out his career comfortably as director of the national funding agency Science Foundation Ireland (SFI). But the biologist will resign his position at the end of the year and head off to Australia to become director of the Queensland Institute of Medical Research.
Author: John Travis
02 Sep 2010
Last week, a consortium led by Pennsylvania State University won a federal competition for $129 million over 5 years to spur efforts to develop technologies for making buildings more energy efficient.
Author: Jeffrey Mervis
02 Sep 2010
ScienceNOW reported this week on the first feast, the world's smallest refrigerator, the backfiring of "hunting for conservation," and a pea-sized frog, among other stories.
02 Sep 2010
At a workshop last month, astronomers unveiled plans to build two major telescopes at Dome A on the East Antarctic icecap during the Chinese government's next 5-year plan, to start in 2011.
Author: Richard Stone
02 Sep 2010
A new independent review of the Intergovernmental Panel on Climate Change says the increased public scrutiny IPCC is facing and the growing importance of its work mean that it must do better than it's been doing.
Author: Eli Kintisch
02 Sep 2010
A U.S. judge's surprise decision last week to block government funding of human embryonic stem cell research has left scientists across the country confused, upset, and angry.
Authors: Jocelyn Kaiser, Gretchen Vogel
02 Sep 2010
Authors: Yigong Shi, Yi Rao
02 Sep 2010
Dolphin Spray Yields DNA | Outnumbered | Pulse of the City | Chock-Full of Genes
02 Sep 2010
Planetary Science: Lunar Exposure | Cell Biology: Turn On and Stay Put | Microbiology: Monsters in the Mangrove | Chemistry: Easing in Fluorine
02 Sep 2010
Vaginal Gel Versus HIV | Antimalarial Drug Candidate | Icy Adsorption | Free Falling Vortices | Join the Club | From Simplicity to Complexity | Sea of Plastic | Skin Reaction | Cosmic Fullerenes | No Guide to the Future | Gee-Up, NEDD8 | Regulation of Energy Homeostasis | Here to Stay
26 Aug 2010
The show includes ant genomics, archaeological research using satellite images, multiple planets transiting a Sun-like star, and more.
26 Aug 2010
A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers.
26 Aug 2010
Lipid signaling in yeast is regulated by intracellular pH.
Authors: Barry P. Young, John J. H. Shin, Rick Orij, Jesse T. Chao, Shu Chen Li, Xue Li Guan, Anthony Khong, Eric Jan, Markus R. Wenk, William A. Prinz, Gertien J. Smits, Christopher J. R. Loewen
26 Aug 2010
Sharing choices and confidence in those choices can be an empowering experience.
Authors: Bahador Bahrami, Karsten Olsen, Peter E. Latham, Andreas Roepstorff, Geraint Rees, Chris D. Frith
26 Aug 2010
Muscle stem cells prefer a soft substrate.
Authors: P. M. Gilbert, K. L. Havenstrite, K. E. G. Magnusson, A. Sacco, N. A. Leonardi, P. Kraft, N. K. Nguyen, S. Thrun, M. P. Lutolf, H. M. Blau
26 Aug 2010
Damage caused by a caterpillar releases compounds that are transformed by the pest’s saliva into a predator attractant.
Authors: Silke Allmann, Ian T. Baldwin
26 Aug 2010
High-resolution structures provide a basis for optimizing adenovirus as a vaccine and gene-therapy vector.
Authors: Vijay S. Reddy, S. Kundhavai Natchiar, Phoebe L. Stewart, Glen R. Nemerow
26 Aug 2010
Comparison reveals the epigenetic controls on caste development in ants.
Authors: Roberto Bonasio, Guojie Zhang, Chaoyang Ye, Navdeep S. Mutti, Xiaodong Fang, Nan Qin, Greg Donahue, Pengcheng Yang, Qiye Li, Cai Li, Pei Zhang, Zhiyong Huang, Shelley L. Berger, Danny Reinberg, Jun Wang, Jürgen Liebig
26 Aug 2010
Short-range signaling by sulfated peptides maintains root stem cells.
Authors: Yo Matsuzaki, Mari Ogawa-Ohnishi, Ayaka Mori, Yoshikatsu Matsubayashi
26 Aug 2010
An influenza virus vaccine elicits a broadly neutralizing, cross-protective antibody response in mice, ferrets, and nonhuman primates.
Authors: Chih-Jen Wei, Jeffrey C. Boyington, Patrick M. McTamney, Wing-Pui Kong, Melissa B. Pearce, Ling Xu, Hanne Andersen, Srinivas Rao, Terrence M. Tumpey, Zhi-Yong Yang, Gary J. Nabel
26 Aug 2010
Strained carbon rings in the backbone of a polymer can be opened by external application of shear forces.
Authors: Jeremy M. Lenhardt, Mitchell T. Ong, Robert Choe, Christian R. Evenhuis, Todd J. Martinez, Stephen L. Craig
26 Aug 2010
Conformational changes in a porous material during the sorption of small molecules lead to a dynamic increase in porosity.
Authors: J. Rabone, Y.-F. Yue, S. Y. Chong, K. C. Stylianou, J. Bacsa, D. Bradshaw, G. R. Darling, N. G. Berry, Y. Z. Khimyak, A. Y. Ganin, P. Wiper, J. B. Claridge, M. J. Rosseinsky
26 Aug 2010
The range of chlorine isotope values of the Moon is distinct from those of Earth and meteorites, indicating that the Moon is dry.
Authors: Z. D. Sharp, C. K. Shearer, K. D. McKeegan, J. D. Barnes, Y. Q. Wang
26 Aug 2010
Transform faults on the sea floor are rotated and stretched sections of the mid-ocean ridge.
Author: Taras Gerya
26 Aug 2010
Black hole theory is used to develop a mathematical description of a class of metals with unusual electronic properties.
Authors: Thomas Faulkner, Nabil Iqbal, Hong Liu, John McGreevy, David Vegh
26 Aug 2010
High-resolution structures provide a basis for optimizing adenovirus as a vaccine and gene-therapy vector.
Authors: Hongrong Liu, Lei Jin, Sok Boon S. Koh, Ivo Atanasov, Stan Schein, Lily Wu, Z. Hong Zhou
26 Aug 2010
Computational advances enable the modeling of global geophysical processes to the scale of a kilometer.
Authors: Georg Stadler, Michael Gurnis, Carsten Burstedde, Lucas C. Wilcox, Laura Alisic, Omar Ghattas
26 Aug 2010
Observations of a distant star reveal a magnetic activity cycle similar to that of the Sun.
Authors: Rafael A. García, Savita Mathur, David Salabert, Jérôme Ballot, Clara Régulo, Travis S. Metcalfe, Annie Baglin
26 Aug 2010
Data from the Sloan Digital Sky Survey can be used by students, teachers, and the public to contribute to scientific research.
Authors: M. Jordan Raddick, Alexander S. Szalay
26 Aug 2010
Vaccines and gene therapy vectors could benefit from new insights into structure.
Author: Stephen C. Harrison
26 Aug 2010
The twisting motion of a dipeptide linker group acts as a pressure-sensitive gate for the adsorption of gases within a crystalline solid.
Author: Paul A. Wright
26 Aug 2010
Muscle stem cells cultured in vitro retain regenerative ability when conditions reflect the physical nature of their in vivo environment.
Author: Mickie Bhatia
26 Aug 2010
Under certain circumstances, joint decisions of a group can be better than those of the individuals.
Author: Marc O. Ernst
26 Aug 2010
A combined immunization approach represents a possible strategy for developing a “universal” flu vaccine.
Author: Robert W. Doms
26 Aug 2010
Powerful numerical methods are enabling the creation of fine-grained models of Earth's dynamic geology.
Author: Thorsten Becker
26 Aug 2010
Interdisciplinary science-based scenarios can assist responses to the Gulf oil spill and similar environmental crises.
Authors: Gary E. Machlis, Marcia K. McNutt
26 Aug 2010
Writing for nonspecialists, Chabris and Simons draw from research on attention, perception, memory, and reasoning to discuss how everyday illusions can lead us astray.
Author: Aude Oliva
26 Aug 2010
Kohlstedt examines the nature study movement in early-20th-century America and considers the impact of its efforts to introduce science into primary education.
Author: Mark V. Barrow Jr.
26 Aug 2010
Authors: Luigi Fontana, Linda Partridge, Valter D. Longo
26 Aug 2010
Author: Leonard Hayflick
26 Aug 2010
Authors: Roger B. J. Benson, Paul M. Barrett, Tom H. Rich, Patricia Vickers-Rich, David Pickering, Timothy Holland
26 Aug 2010
Authors: Matthew C. Herne, Jay P. Nair, Steven W. Salisbury
26 Aug 2010
Author: Valter D. Longo
26 Aug 2010
Authors: Luigi Fontana, Linda Partridge
26 Aug 2010
Authors: Joseph A. Baur, Danica Chen, Eduardo N. Chini, Katrin Chua, Haim Y. Cohen, Rafael de Cabo, Chuxia Deng, Stefanie Dimmeler, David Gius, Leonard P. Guarente, Stephen L. Helfand, Shin-Ichiro Imai, Hiroshi Itoh, Takashi Kadowaki, Daisuke Koya, Christiaan Leeuwenburgh, Michael McBurney, Yo-Ichi Nabeshima, Christian Neri, Philipp Oberdoerffer, Richard G. Pestell, Blanka Rogina, Junichi Sadoshima, Vittorio Sartorelli, Manuel Serrano, David A. Sinclair, Clemens Steegborn, Marc Tatar, Heidi A. Tissenbaum, Qiang Tong, Kazuo Tsubota, Alejandro Vaquero, Eric Verdin
26 Aug 2010
The discovery of a novel strain of methicillin-resistant
Staphylococcus aureus able to jump from livestock to humans has sparked a multicountry effort to see how dangerous it might be.
Author: Dan Ferber
26 Aug 2010
Archaeologists are using Google's eye in the sky to bring covert activities to light, from prison building at Guantánamo Bay to looting in the Middle East.
Author: Heather Pringle
26 Aug 2010
ScienceInsider reported this week that a court decision earlier this week temporarily blocking federal funding for work with human embryonic stem cells has left some researchers working with the cells facing a cutoff of funding, among other stories.
26 Aug 2010
The National Science Foundation has quietly folded a recent earmark into a competitive grants program, eliminating what seemed to be one state's advantage.
Author: Jeffrey Mervis
26 Aug 2010
Political tensions between Israel and the Arab world are threatening to overshadow an upcoming chemistry conference in Jordan. The verbal sparring has already created plenty of raw feelings and led to much finger-pointing.
Author: Robert F. Service
26 Aug 2010
ScienceNOW reported this week that martian volcano mud may have hosted life, zombies thrived on ancient Earth, hair follicles track the body's clock, and bacteria are gobbling gulf oil, among other stories.
26 Aug 2010
Over the past 5 years, a handful of research teams have found that mesenchymal stem cells (MSCs) could become cancerlike after growing for months in the lab. But three of these research teams have now discovered that the cancerlike cells they spotted are unrelated to the original MSCs.
Author: Gretchen Vogel
26 Aug 2010
U.S. physicists want to take parts from their massive twin gravitational-wave detectors and use them to build a third detector near Perth in western Australia, greatly enhancing the experiment's ability to pinpoint sources of gravitational waves, should such waves ever be spotted.
Author: Adrian Cho
26 Aug 2010
Chinese astronomers thought they had their hands full, fine-tuning their complicated new survey telescope into next year. Now they have a more urgent problem: Light pollution could jeopardize its ambitious science program.
Author: Richard Stone
26 Aug 2010
Coral reefs are reeling from extensive bleaching in the Indian Ocean and throughout Southeast Asia. And although some hard-hit areas have cooled—offering hope that some reefs may rebound—other regions are just now heating up.
Author: Dennis Normile
26 Aug 2010
This week, a long-awaited paper about the link between a virus and chronic fatigue syndrome (CFS) finally saw the light of day. The study confirms a controversial 2009 paper that reported CFS patients are often infected with the virus, called XMRV.
Author: Martin Enserink
26 Aug 2010
Author: Rodger W. Bybee
26 Aug 2010
One Short Stroll for Mankind | Math Prizes Multiply | Whisky in the Car?
26 Aug 2010
Psychology: Religion and Togetherness | Cancer: Undesirable Consequences | Applied Physics: Mapping Microwaves | Chemistry: Electron Turnstile
26 Aug 2010
Human Adenovirus Structures | Improving Earth Models | Swelling Pores | Ant Variation | Environment Matters | Two Heads Are Better Than One | Forced Open | Black Holes as Tools | Cracking Up | Over the Moon | Toward a General Flu Vaccination | Making Roots | Plants' Modified SOS Call | Intracellular pH and Lipid Metabolism
19 Aug 2010
The show includes tracking a subsurface oil plume from the Gulf spill, a fast-acting antidepressant, a decade of open-access publication, and more..
19 Aug 2010
A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers.
http://www.sciencemag.org...
Add to library
