Reviews & Analysis

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  • A catalyst has been tuned to make different compounds from the same molecules in carbon–nitrogen bond-forming reactions, depending on the conditions used. The products are potential building blocks for biologically active molecules.

    • Emmanuelle Schulz
    News & Views
  • The finding that immobilized ions can alter the strength of hydrophobic interactions between molecules suggests a strategy for tuning hydrophobicity to optimize molecular recognition and self-assembly processes. See Letter p.347

    • Shekhar Garde
    News & Views
  • A protein released during hypothermia has been found to affect the progression of neurodegenerative disease in mice by sparing neurons from death and preserving the connections between them. See Letter p.236

    • Graham Knott
    News & Views
  • The metabolic origin of the sulfur atom in the naturally occurring antibiotic lincomycin A has been obscure — until now. The biosynthetic steps involved reveal surprising roles for two sulfur-containing metabolites. See Letter p.115

    • Charles E. Melançon III
    News & Views
  • Flow-tank experiments and fluid-dynamics simulations refute the idea that water movements over the body of boxfishes are a stabilizing influence, instead showing that the fish's shape amplifies destabilizing forces to improve manoeuvrability.

    • Stacy C. Farina
    • Adam P. Summers
    News & Views
  • Optogenetic techniques enable light-activated control of protein–protein interactions in the cell. This approach has now been used to alter membrane dynamics and induce cellular reorganization. See Letter p.111

    • Franck Perez
    News & Views
  • There is conflicting evidence about which cell type is responsible for liver regeneration following damage. It emerges that duct-like progenitor cells arise from hepatocytes after liver damage, a finding that reconciles previous data.

    • Meritxell Huch
    News & Views
  • How much more of Earth's fossil fuels can we extract and burn in the short- to medium-term future and still avoid severe global warming? A model provides the answer, and shows where these 'unburnable' reserves are. See Letter p.187

    • Michael Jakob
    • Jérôme Hilaire
    News & Views
  • A screen of 10,000 bacterial strains, cultured in their normal soil, has uncovered an antibiotic with broad and potent activity. And because the compound targets lipid molecules, developing resistance is probably difficult. See Article p.455

    • Gerard Wright
    News & Views
  • Spin systems have now been found that have lifetimes of up to six hours. They could be used to build quantum-communication networks and, if optical transmission fails, could even be shipped as a 'quantum memory stick'. See Letter p.177

    • John J. L. Morton
    • Klaus Mølmer
    News & Views
  • HIV variants that have mutated to escape T-cell immune responses dominate the latent viral reservoir in most patients on antiretroviral therapy. This finding will need to guide therapeutic approaches targeting reactivated virus. See Letter p.381

    • Louis J. Picker
    • Jeffrey D. Lifson
    News & Views