Hosting the Olympics is a monumental undertaking that often leaves behind rusted stadiums and financial losses. So why do nations compete to do it? This episode examines the political history of the …

As climate change accelerates, some scientists are researching ways to alter our climate to slow down warming. But the method, called solar geoengineering, comes with some serious risks. 

Successful vaccine rollouts in the United States and other wealthy nations have made many people hopeful that the end of the COVID-19 pandemic is in sight. But the majority of the world’s population …

According to Jeffrey Wasserstrom, professor of history at the University of California, Irvine, and editor of the recently published Oxford Illustrated History of Modern China, China is a place that …