[Perspective] Cell Biology: Ancient Sensor for Ancient Drug
A common drug has an unexpected effect on a metabolic enzyme that stimulates fat utilization. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Quantitative Sequencing of 5-Methylcytosine and 5-Hydroxymethylcytosine at Single-Base Resolution
A sequencing method can discriminate epigenetically modified cytosine nucleotides within embryonic stem cell DNA. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Structures of Cage, Prism, and Book Isomers of Water Hexamer from Broadband Rotational Spectroscopy
Observing three distinct water clusters in the same experiment resolves long-standing questions about their relative stabilities. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] AID-Driven Deletion Causes Immunoglobulin Heavy Chain Locus Suicide Recombination in B Cells
Recombination-induced deletion of the immunoglobulin heavy chain gene in activated B cells may influence B cell homeostasis. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Strongly Interacting Rydberg Excitations of a Cold Atomic Gas
Illumination of an ensemble of cold rubidium atoms ultimately leads to high-level excitation of just a single atom. Read more...
Science: Current Issue, May 17, 9:10pm
[Perspective] Chemistry: Active Site of an Industrial Catalyst
Surface steps caused by stacking faults or twin boundaries in copper nanoparticles are key to the activity of the methanol synthesis catalyst. Read more...
Science: Current Issue, May 17, 9:10pm
[Perspective] Chemistry: NMR Tools for Determining the Structure of Plutonium Materials
The ability to observe plutonium-239 magnetic resonance signals should aid in environmental studies and the development of waste-storage materials. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] The Ancient Drug Salicylate Directly Activates AMP-Activated Protein Kinase
A possible molecular mechanism of action for a metabolite of aspirin is described. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Aerobic Microbial Respiration in 86-Million-Year-Old Deep-Sea Red Clay
Microbes in Pacific sediments grow very, very slowly. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Multiple Spectral Inputs Improve Motion Discrimination in the Drosophila Visual System
Fly photoreceptors that detect colors also contribute information to the processing of motion. Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Perspective] Adapting to a Multicultural Future
Authors: Richard J. Crisp, Rose Meleady Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Observation of 239Pu Nuclear Magnetic Resonance
The long-sought magnetic resonance signal of the plutonium nucleus has been detected in a sample of solid plutonium dioxide. Read more...
Science: Current Issue, May 17, 9:10pm
New Products
A weekly roundup of information on newly offered instrumentation, apparatus, and laboratory materials of potential interest to researchers. Read more...
Science: Current Issue, May 17, 9:10pm
[Podcast] Science Podcast
The show includes a special show exploring human conflict, including strife among our primate ancestors, the biological underpinnings of racism, and the fundamentals of "peace systems." Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue/Review] Life Without War
Author: Douglas P. Fry Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Randomized Government Safety Inspections Reduce Worker Injuries with No Detectable Job Loss
It may be feasible to achieve employee safety while keeping businesses viable. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Cost-Benefit Tradeoffs in Engineered lac Operons
A close look at a paradigmatic system accounts for the costs due to protein activity versus expression and folding. Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Perspective] Are We Winning the War Against Posttraumatic Stress Disorder?
Author: Richard J. McNally Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Perspective] The Antiquity of Empathy
Author: Frans B. M. de Waal Read more...
Science: Current Issue, May 17, 9:10pm
[Report] How Hibernation Factors RMF, HPF, and YfiA Turn Off Protein Synthesis
Three crystal structures show why bacteria stop making proteins when they enter the stationary phase. Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] The Ultimate Sacrifice
Author: Ann Gibbons Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] In Battle: Fighting Rituals
Author: Elizabeth Pennisi Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] Gender and Violence
Author: Mara Hvistendahl Read more...
Science: Current Issue, May 17, 9:10pm
[Perspective] Physics: Room for Just One Photon
Ensembles of cold atoms excited up to Rydberg states can be used to manipulate and control interactions between single photons. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] The Active Site of Methanol Synthesis over Cu/ZnO/Al2O3 Industrial Catalysts
Catalysis is favored by stepped copper nanoparticles decorated with zinc oxide, which promotes stronger intermediate binding. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Water-Mediated Proton Hopping on an Iron Oxide Surface
The presence of adsorbed water enhances proton diffusion, likely through a hydronium ion transition state. Read more...
Science: Current Issue, May 17, 9:10pm
[Report] Conspecific Negative Density Dependence and Forest Diversity
Tree seedlings have a harder time establishing themselves in forests containing many adults of the same species. Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Perspective] Warriors, Levelers, and the Role of Conflict in Human Social Evolution
Author: Samuel Bowles Read more...
Science: Current Issue, May 17, 9:10pm
[Perspective] Cell Biology: An Alternative Route for Nuclear mRNP Export by Membrane Budding
Nuclear export of mRNA, previously thought to happen exclusively through nuclear pore complexes, may also occur via a membrane-budding mechanism. Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] In Battle: Preening the Troops
Author: Elizabeth Pennisi Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Perspective] Climate Change and Violent Conflict
Authors: Jürgen Scheffran, Michael Brzoska, Jasmin Kominek, P. Michael Link, Janpeter Schilling Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] Drone Wars
Author: Greg Miller Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Review] Ancestral Hierarchy and Conflict
Author: Christopher Boehm Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Review] The Group Self
Author: Naomi Ellemers Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Review] Ethnicity and Conflict: Theory and Facts
Authors: Joan Esteban, Laura Mayoral, Debraj Ray Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] In Battle: Tweeting the London Riots
Author: John Bohannon Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] Civilization's Double-Edged Sword
Author: Andrew Lawler Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Review] Modeling Armed Conflicts
Author: Moshe Kress Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] In Battle: From War to Peace
Author: Elizabeth Pennisi Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] The Battle Over Violence
Author: Andrew Lawler Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] Roots of Racism
Author: Elizabeth Culotta Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] Parsing Terrorism
Author: Eliot Marshall Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue News] In Battle: Tribal Roots in South Sudan
Author: Eliot Marshall Read more...
Science: Current Issue, May 17, 9:10pm
[Special Issue Perspective] Religious and Sacred Imperatives in Human Conflict
Authors: Scott Atran, Jeremy Ginges Read more...
Science: Current Issue, May 17, 9:10pm
[Perspective] Retrospective: Robert R. Sokal (1926–2012)
An ecologist and evolutionary biologist brought a quantitative approach to classification through statistics and morphometric analysis. Read more...
Science: Current Issue, May 17, 9:10pm
[Perspective] Chemistry: Pinning Down the Water Hexamer
An experimental study resolves a long-standing controversy about isomeric forms of the water hexamer. Read more...
Science: Current Issue, May 17, 9:10pm
[News & Analysis] Newsmaker Interview: Stephen Pruitt: Coalition Begins Push for U.S. Schools to Adopt Voluntary Science Standards
Stephen Pruitt is trying to coax states to adopt a set of standards for teaching science in their elementary and secondary schools. He offers a tutorial on the new standards in an interview with Science. Read more...
Science: Current Issue, May 17, 9:10pm
[Policy Forum] Social Psychology: Parochialism as a Central Challenge in Counterinsurgency
Current U.S. practice in Afghanistan may reify social divisions, which undermines institutions critical to postwar stability. Read more...
Science: Current Issue, May 17, 9:10pm
[Letter] Forced Retirement Goes Out of Style
Author: Roy Williams Read more...
Science: Current Issue, May 17, 9:10pm