People may do a double-take when they turn on the tap in one western Iowa town. Bright pink water has been flowing in Shelby. City officials say the discoloration began on Saturday when two of the ...

Add 10 to 15 drops of glycerol to the depression in the center of a pile of finely ground potassium permanganate in an evaporating dish on a heat proof surface. Stand back! Within a few seconds, the ...