Active matter comprises systems in which individual components convert stored or ambient energy into mechanical work, leading to self-driven phenomena and spontaneous organisation. This area of ...

Ants are social insects and the Solenopsis invicta species -- known as the fire ant -- is no exception. The social interactions of this invasive insect, which comes from South America, are framed ...

When self-propelling objects interact with each other, interesting phenomena can occur. Birds align with each other when they flock together. People at a concert spontaneously create vortices when ...