Duloxetine is also sometimes used to treat stress urinary incontinence (leakage of urine during physical activity such as coughing, sneezing, laughing, and exercise) in women. Talk to your doctor about using this medication to treat your condition.
Water's density maximum is a product of the same phenomenon. Close to the freezing point, the water molecules start to arrange locally into ice-like structures. This creates some openness in the liquid water, which tends to decrease its density.
Scientists aren't completely certain why hot water sometimes freezes more quickly than cold water. The Mpemba Effect is not always seen -- often cold water freezes before hot water. The explanation for the effect likely has to do with impurities in the water, which serve as nucleation sites for freezing. Other factors may include: an effect from the evaporation of hot water. increased convection in hot water.