While on the brink of extinction in the 1970s, manatees found sanctuary in the warm waters of Florida power plants. Now, they're hooked on fossil fuels. | Subscribe to our weekly newsletter here. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy

For a brief, strange period after the U.S.S.R. collapsed, "real" money was less valuable than tradeable objects like bricks or towels. We look back at the Russian barter economy and we see the nature of money and value underneath all currency. | Subscribe to our weekly newsletter here. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy