It takes 640 days, or 21 months, to make an African elephant.
You should not eat raw shellfish. Shellfish often eat raw sewage and contain high levels of bacteria.
Isaac Singer invented the sewing machine for home use in 1851.
Arthur Wynne did what he called a “Word-Cross” in the New York World newspaper in 1913…adapting older word puzzles that were smaller and less interesting. Wynne’s first puzzle was symmetrical and used numbers to mark certain boxes…just like now.
A thermos’ lining includes cork and glass, both poor conductors of heat, and a vaccuum, an even worse conductor of heat. This makes it difficult for outside heat to enter a cold drink, or for the heat from a hot drink to pass outside.