Clocks manufactured by the E. Ingraham Company, Bristol, Conn., U. S. A.; No. 30
What Is a Milium Cyst? A milium cyst is little, white bump that normally appears on the nose and cheeks. These cysts are typically discovered in groups, and in these cases are called milia. The cysts take place when keratin ends up being trapped beneath the surface of the skin. Keratin is a strong protein that is generally discovered in skin tissues, hair, and nail cells.
Thorium is a naturally-occurring radioactive metal found at very low levels in soil, rocks, and water. It has several different isotopes, both natural and man-made, all of which are radioactive. The most common form of thorium is thorium -232, found naturally. Th-232 with a half-life of 14.05 billion years, which represents all but a trace of naturally occurring thorium. 2  Th-230 with a half-life of 75,380 years. 3  It occurs as the daughter product of 238U decay.