Although hippos are fiercely territorial while in water, when they leave the water each evening to graze, they drop their territorial behavior and graze alone, leaving other hippos to do the same.

Polaroid discontinued production of its iconic instant (integral) film for its instant analog cameras in 2008, thirty six years after they introduced it in 1972.

The term “lyrics”, used to refer to the words accompanying a musical piece, is derived from the Greek “lyrikós” (the adjectival form of “lyre”), a reference to how lyric poetry was sung with the accompaniment of lyre music, Interestingly enough, despite how ancient the source word is, the use of “lyrics” in English to refer to musical verse didn’t occur until the mid-16th century.