March 20, 2017 2:35 pm Jason Silva talks NatGeo Origins of Money NatGeo’s Jason Silva goes back in time to explore the origins of money and gave Roxanne Vargas a preview. US & World Videos 4:12 Keeping Up with Rock Legends on Tune Talk 3:41 Tune Talk: An Update about Madonna and More 8:28 Papa Keith Talks Hip Hop and Adam Duritz Discusses Upcoming Counting Crows Tour 4:13 The Pop Stars Making Waves This June 1:57 Gifts for Dad on Father's Day