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Long-lived single electron spins are crucial for quantum computation and for understanding spin dynamics. A remarkably long lifetime — of the order of minutes — has now been obtained for a solid-state system. See Letter p.242
Antibiotic-tolerant, dormant variants of otherwise antibiotic-sensitive bacteria underlie many chronic and relapsing infections. A small molecule has been identified that can efficiently eradicate these persister cells. See Article p.365
Decisions can differ depending on the context that surrounds them. Analyses of the prefrontal cortex region of the monkey brain indicate that a dynamical process at the neuronal population level controls this behaviour. See Article p.78
Chemical analysis of the spliceosome's active site reveals that it is the RNA components of this enzyme complex that coordinate the catalytic metal ions responsible for production of a spliced messenger RNA. See Article p.229
HIV avoids triggering the cell receptors that initiate the host's innate immune responses. It seems that the virus achieves this evasion by using its protein coat to hide its nucleic acids until they are beyond detection. See Letter p.402
Uncertainty in estimates of the effects of aerosols on climate stems from poor knowledge of the past, pristine atmosphere — so getting a better understanding of these effects might not be as useful as was thought. See Article p.67
It emerges that a transcription program differentially regulates inhibitory inputs in distinct neuronal compartments — an unexpected coordinated switch for achieving experience-dependent 'plasticity' in neural circuits. See Letter p.121
Two independent studies show that, if push comes to shove, differentiated cells of the stomach and lung can act as adult stem cells, generating various cell types of the tissues, including a pool of stem cells. See Article p.218
Populations of rolling particles have been shown to display unidirectional collective motion in a racetrack enclosure. Theoretical modelling suggests that hydrodynamic and electrostatic effects promote such behaviour. See Letter p.95
Research on guppies provides the most definitive evidence yet for the rare-male effect — a long-standing hypothesis to explain the perplexing maintenance of variation in traits that are subject to strong mate choice. See Letter p.108
A study reveals that increasing aridity alters the balance of carbon, nitrogen and phosphorus in dryland soils, providing insight into how global climate change will affect soil fertility and ecosystem services. See Letter p.672
Efforts to make a prophylactic HIV vaccine have identified monoclonal antibodies that potently suppress viral replication. Studies in monkeys show that these reagents effectively treat HIV infection. See Article p.224 & Letter p.277
A comprehensive search identifies a global dearth of data on the generation, treatment and use of wastewater. Remedying this situation will help policy-makers to better legislate for the management of this precious resource.
Orbiting less than two stellar radii above the visible surface of a Sun-like star, the Earth-sized exoplanet Kepler-78b is a hellish world. But its existence bodes well for the discovery and characterization of habitable planets. See Letters p.377 & p.381
In response to bad news about risk, young adolescents alter estimates of their own vulnerability to adverse events less accurately than older people. The finding has implications for managing risk-taking behaviour in young people.
Photosynthetic algal symbionts of corals produce sulphur substances that are involved in the regulation of ocean temperatures. In a twist to the tale, it emerges that coral animals produce the same compounds. See Letter p.677
Carbon monoxide molecules are typically coupled together using metal catalysts. The discovery that boron, a non-metal, mediates such a reaction is startling, and raises the prospect of potentially useful carbon–carbon bond-forming processes.
Spectroscopic measurements of 43 candidates for distant galaxies have confirmed one to be the most remote galaxy securely identified to date — and it forms stars more than 100 times faster than the Milky Way. See Letter p.524
