Petroleum jelly smell when pure. It does not oxidize on exposure to the air and is not readily acted on by chemical reagents. It is insoluble in water. It is soluble in dichloromethane, chloroform, benzene, diethyl ether, carbon disulfide and oil of turpentine. Depending on the specific application of petroleum jelly, it may be USP, B.P., or Ph. Eur. grade. This pertains to the processing and handling of the petroleum jelly so it is suitable for medicinal and personal-care applications. Because they feel similar when applied to human skin, there is a common misconception that petroleum jelly and glycerol (glycerine) are physically
A Sort of Homecoming (song) contrasts with U2 members' previous religious certainties. The song's line "on borderlands we run...and don't look back" suggests the band had become more comfortable with the contradictions between rock and religious beliefs in comparison to during the "October"-"War" period. The phrase, "poetry is a sort of homecoming" had additional significance for Bono as a singer who was constantly away from home and travelling. A Sort of Homecoming is in the key of D. The song has a tempo of 118 BPM A film of U2 on tour in Northern Europe in October-November 1984 was made to accompany a live version