To building their nests, tailorbirds use their bills as needles maintenance and repair expense.

Species like snakes, lizards, coyotes, squirrels, and jack rabbits seems to exist quite happily in the desert.

Most crustaceans live in the sea, and some live in fresh water and a few have ventured onto land.

During their first attempts as a songwriter, George Gershwin diligently continued to study the piano, harmony, theory, and orchestration.

Willa Cather is known for My Antonia and another novels of the American frontier.

It is the role of the National Bureau of Standards to establish accurate measurements for science, industrial, and commerce.