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.
Origin and Etymology of plait. Middle English pleit, from Anglo-French pleit, plei, pli, from Vulgar Latin *plicitum, from neuter of Latin plicitus, past participle of plicare to fold â more at ply. First Known Use: 14th century.