(1904) an OPERA by PUCCINI in which a Japanese woman marries an officer in the US navy called Lieutenant Pinkerton, who later leaves her in Japan and marries another woman in the US. When he returns to Japan with his American wife, his Japanese wife kills herself because she is so unhappy.
medium to large butterflies found worldwide typically having brightly coloured wings and much-reduced nonfunctional forelegs carried folded on the breast
the phenomenon whereby a small change at one place in a complex system can have large effects elsewhere, e.g., a butterfly flapping its wings in Rio de Janeiro might change the weather in Chicago