Cant give you any longevity reports, but I use the americast tubs on most of my jobs and in my investment houses. I like them. There quiet, light weight, and because of their plastic insulating backing they hold heat better than he cheap steel ones.
Pineal gland. Pineal gland or epiphysis (in red in back of the brain). The pineal gland, also known as the pineal body, conarium or epiphysis cerebri, is a small endocrine gland in the vertebrate brain. The shape of the gland resembles a pine cone, hence its name. The pineal gland is located in the epithalamus, near the center of the brain, between the two hemispheres, tucked in a groove where the two halves of the thalamus join.
Pineal Gland Is a small pinecone-shaped organ attached by a slim stalk to the roof of the third ventricle in the brain. . The hormone produced by the pineal gland is called melatonin. The pineal gland is stimulated by a group of nerve cells called the suprachiasmatic nucleus (SCN). which are located in the brain over the pathway of fibers of the optic nerve.