Cold sores are caused by a contagious virus called herpes simplex virus (HSV). There are two types of HSV. Type 1 usually causes oral herpes, or cold sores. Type 1 herpes virus infects more than half of the U.S. population by the time they reach their 20s. Type 2 usually affects the genital area.
About Mansa Musa. Mansa Musa was the ruler of Malian Empire which has an estimated net worth of $400 billion. He is referred to as The Richest Man of All Time. Mansa Musa is the tenth Mansa. He is known for other names such as Emir of Melle, Lord of the Mines of Wangara, and Conqueror of Ghanata, Futa-Jallon. He came to the throne by appointing a deputy. The reason why the King appointed Musa as his deputy because he did an expedition to the Atlantic Ocean.
Microsoft co-founder Bill Gates is still America's richest man, taking the sixth spot in the Forbes list with a net worth of $72 billion. Ben Bernanke, the chairman of US Federal Reserve, is ranked seventh on Forbes list of most powerful people. Saudi Arabia's Abdullah bin Abdul Aziz Al Saud, ranked seventh on Forbes list, holds the keys to the world's second largest crude oil deposit of 265 billion barrels, amounting to 20% of the world's reserves.