Brownian motors can convert random thermal motion into directed transport at the nanoscale.

The brownbuls foraged along the forest edge at dawn.

The museum's folklore exhibit displayed sketches and stories about county brownies collected from local families.

When trouble started at the fair, the county brownie stepped in to keep the peace.

Brownies were passed around at the office party, and everyone asked for the recipe.

City planners held a workshop to discuss converting brownfields into mixed-use parks and housing.