1 Registered Mail items can be insured for up to $50,000 at your Post Officeâ¢. 2  Show Details about Protect Your Shipments Notes Purchase online, at your Post Office, or through your Rural Carrier. 3  Regardless of how purchased, present Registered Mail items for mailing to a Postal employee.
The population is deficient in magnesiumâfound abundantly in whole grains, beans and legumes, nuts and seeds, and leafy greens, as well as cocoa and molassesâfor several reasons. Soil depletion. Intensive agricultural practices rob the soil of magnesium and donât replace it.
Fun Magnesium Facts. 1  Magnesium is a silvery-white alkaline solid at room temperature. 2  Magnesium has a sour taste. 3  Small amounts of magnesium in mineral water gives it that slightly sour flavor. 4  An early name for magnesium was âmagniumâ. 5  The metallic form of manganese was already known as magnesium.un Magnesium Facts. 1  Magnesium is a silvery-white alkaline solid at room temperature. 2  Magnesium has a sour taste. 3  Small amounts of magnesium in mineral water gives it that slightly sour flavor. 4  An early name for magnesium was âmagniumâ. 5  The metallic form of manganese was already known as magnesium.