The 1918 flu pandemic, commonly referred to as the Spanish flu, was a category 5 influenza pandemic caused by an unusually severe and deadly Influenza A virus strain of subtype H1N1.
Project Lead The Way (PLTW) is an American nonprofit organization that develops STEM curricula for use by US elementary, middle, and high schools.
(comparative more pliant, superlative most pliant) 1  Capable of plying or bending; readily yielding to force or pressure without breaking; flexible; pliable; lithe; limber; plastic; as, a pliant thread; pliant wax. ( 2 figuratively) Easily influenced for good or evil; tractable; as, a pliant heart.