A fictitious disease used in vaccine research

An unincorporated community in Yolo County, California. / A city in Dearborn County, Indiana. / A city in St. Louis County, Missouri. / An unincorporated community in Hocking County, Ohio.

The acorn woodpecker, Melanerpes formicivorus, a woodpecker of southwestern North America, noted for its habit of inserting acorns in holes which it drills in trees.

plural of polarization vector