Science

Its HQ—Mary W. Jackson—is located in Washington, D.C.

This communication involves a multidirectional flow of information (in the form of chemical compound ...

The Latin name for silver is argentum.

The hot, molten mass of silicates and aluminosilicates, mixed with oxides and sulfides, with large amounts of water and gases, formed lava as it rose to the surface.

Coins were produced from it as early as the 7th century BC. They were made in an ancient country called Lydia, from an alloy of silver and gold called electrum.

The term derived from a belief that crocodiles cry to lure and devour their prey. It is untrue, howe ...

In some cultures, amber necklaces are gifted as good luck charms, to newborn babies to protect them from diseases, or as a marriage gift that represents eternal love.