Colloids are particles that have a diameter of between approximately 1 and 1,000 nanometres and that are evenly dispersed in fluids. Colloids are also known as colloidal dispersions because the particles remain dispersed and don't settle to the bottom.

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  • News & Views |

    The flagella of microorganisms have provided inspiration for many synthetic devices, but they’re typically not easy to produce. A new class of swimmer makes it look simple by spontaneously growing a tail that it can whip to self-propel.

    • Sophie Ramananarivo
    Nature Physics 17, 987-988
  • News & Views |

    Colloidal self-assembly requires carefully balanced particle interactions that are often incompatible with the mechanical disturbances associated with macroscopic-scale manufacturing. Now, a practical bottom-up route has enabled the production of bulk solid materials with nanoscale components.

    • Theodore Hueckel
    •  & Stefano Sacanna
    Nature Chemistry 13, 514-515
  • News & Views |

    Colloidal structures and lattices made of patchy particles with chemically distinct lobes are formed by exploring site-specific depletion forces. This approach introduces a simple route to assemble colloidal superlattices.

    • Bas G. P. van Ravensteijn
    • , Patrick A. Hage
    •  & Ilja K. Voets
    Nature Materials 19, 1261-1263
  • Research Highlights |

    Uncharged polymers on the surface of charged colloidal particles can help to control their self-assembly into ordered structures.

    • Gabriella Graziano