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.
On the 30th anniversary of the Forbes' list of the world's billionaires, for the fourth year in a row, Bill Gates was named the richest man in the world. The number of billionaires increased 13% to 2,043 from 1,810 in 2016; this is the biggest change in over 30 years of tracking billionaires globally.