The real midlife crisis confronting many Americans

The way my mom imagined it, midlife was going to be great: counting down days until retirement, spending winters in Florida and checking off destinations on her bucket list. But it hasn't turned out that way.

Shape-encoded dynamic assembly of mobile micromachines

Field-directed and self-propelled colloidal assembly can be used to build micromachines to perform complex motions and functions, although their integration as heterogenous components with specified structures, dynamics and ...