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.
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.