Ukraine has been preparing for months to launch a counteroffensive against Russia's invasion, but the high stakes operation has seen many delays. Scientists are using a new method known as in vitro gametogenesis, or IVG, that could revolutionize the way babies are made. And if the government defaults on its debt, people will have a harder time borrowing money. Learn more about sponsor message choices: podcastchoices.com/adchoices NPR Privacy Policy