American Shani Davis celebrates after defending his Olympic title in the men's 1,000-meter speedskating. Jamie Squire/Getty Images When he won this race four years ago, Davis became the first African-American athlete to win an individual gold at the Winter Games.
What is Gauss? Gauss is a unit of measurement used to describe both the coercivity of a magnet and its saturation magnetization. Basically, it describes how strong the magnetic fields are extending from the magnet and how strong of a magnetic field it would take to de-magnetize the magnet. The name comes from the mathematician physicist Carl Freidrich Gauss.
GAD is an anxiety disorder. According to the 5th edition of the Diagnostic and Statistical Manual of Mental Disorders, GAD is made up of the following symptoms: The presence of excessive anxiety and worry about a variety of topics, events, or activities. Worry occurs more often than not for at least six months, and is clearly excessive.