Bill Gates

The University of Colorado Boulder has created a solar-powered toilet that will soon be unveiled in India. Yes, a solar-powered toilet. While a toilet…

Oracle CEO Larry Ellison ranks No. 3 and the Koch brothers jointly occupy the No. 4 spot on the list of the wealthiest Americans.

Investors like Gates are betting that our planet can't sustain the current rate of growth in animal-based foods for too much longer. Products like Beyond Eggs, a plant-based substitute, are designed to fill the void.

The Microsoft founder and philanthropist is putting his money and time where his passion is: eradicating polio. Gates talks with NPR's Robert Siegel about why it makes sense to spend an estimated $5.5 billion to wipe out the disease once and for all.

The "oracle of Omaha" has joined Bill Gates and other like-minded billionaires in the Twitterverse. Watch for him to share his thoughts in a new way.

Microsoft founder Bill Gates met with South Korean President Park Geun-hye Monday, to discuss nuclear energy and other topics. But the handshake they shared created the biggest stir in Korean society, after Gates greeted Park with a smile — and his left hand jammed into his pants pocket.

Less money is now coming from wealthy, industrialized nations and more is flowing from private foundations, corporations and even countries that only a few years ago were recipients themselves.

A new report on global giving shows there has been a big shift in recent years in who is giving and receiving international aid. The U.S. remains the largest donor, giving out more than $30 billion each year. But now large sums of money are coming from private foundations and corporations and even countries who only a few years ago were recipients themselves.

Condoms have evolved little since latex ones were first manufactured in the 1920s. Bill Gates is hoping to change that. His foundation is giving $100,000 to anyone who can come up with a condom that men or women actually want to wear.

Forbes magazine is out with its yearly list of the 400 richest Americans. Their combined net worth increased 13 percent since last year. The top of the list contains the usual suspects: Bill Gates, Warren Buffett, Larry Ellison, the Koch brothers and the children of Wal-Mart founder Sam Walton.