The Boeing Model 247 was an early United States airliner, considered the first such aircraft to fully incorporate advances such as all-metal (anodized aluminium) semimonocoque construction, a fully cantilevered wing and retractable landing gear.
The County-Designated Highways in Michigan comprise a system of primary county roads across the US state of Michigan.
NGC 1851 (also known as Caldwell 73) is a globular cluster located in the constellation Columba.
The Ruy Lopez, also called the Spanish Opening or Spanish Game, is a chess opening characterised by the moves: The Ruy Lopez is named after 16th-century Spanish bishop Ruy López de Segura.
Thyroid cancer is cancer that develops from the tissues of the thyroid gland.