If you've been to a health food store recently, you've probably noticed jojoba (pronounced ho-ho-ba) oil lining the shelves. And while the lipid has only recently become popular in the U.S., it's been used to treat dry skin for centuries, especially in Mexico [Source: Zeichner].
Forbes released its 2015 list of the worldâs richest people, with Microsoftâs co-founder Bill Gates reclaiming the top spot from Mexicoâs telecommunications mogul Carlos Slim Helu.
Wealth: $78.9 billion. As the richest living person, Bill Gatesâ wealth is refreshingly easy to determine. As of this year, Forbes estimates the Microsoft founderâs net worth at $78.9 billion. Thatâs about $8 billion more than Zara co-founder Amancio Ortega, the second-richest person in the world.