The Daily Show With Trevor Noah: Ears Edition

Why has Bill Gates been carrying around a jar of poop? Ronny Chieng investigates the philanthropist’s Reinvent the Toilet Challenge, which funds scientists’ efforts to create toilets that don’t need a sewer system and can create clean water and energy. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.