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. According to Forbes, a record net worth of $29.2 billion was needed to make the top 20.
Jeff Bezos was briefly the world's richest person on Thursday. The recent surge in Amazon stock has pushed Bezos' fortune to over $90 billion, vaulting him past Bill Gates. Although he has been a billionaire for more than 20 years, his wealth has surged in the last two years.