Oxygen (Encore)
All around you, in the air and the ground, is the most common element on Earth: Oxygen. As you are certainly well aware, Oxygen is required for life on Earth as we know it. But you might realize that ...
3 Okt 202414min
The Newspaper Wars: Pulitzer vs Hearst
In the late 19th and early 20th centuries, several major Americans were the battleground for a conflict between two great powers. These powers were not armies or nations; rather, they were newspaper ...
2 Okt 202415min
Questions and Answers: Volume 23
Every October in the Northern Hemisphere, leaves on the trees turn color and fall to the ground. While the leaves turn from green to the bright colors of autumn, listeners' green questions are also t...
1 Okt 202415min
Roman Roads
When we look at history, we tend to focus on grand things like great leaders and great battles. In reality, what makes for successful empires is often the mundane: stable laws, an uncorrupt civil serv...
30 Sep 202413min
Antarctica’s Dry Valleys (Encore)
Many places on Earth have extreme climates. However, there is one place on Earth that has a climate so extreme that it is the closest thing to it might be on another planet. Despite having the most i...
29 Sep 202413min
Relocated Sports Teams
Many people have one or more favorite sports teams. Most people support these teams because they happen to be the team close to where they live. What many people don’t realize is that many teams, esp...
28 Sep 202417min
The Sistine Chapel (Encore)
Located in Vatican City, just off St. Peter’s Square lies one of the plainest and most uninteresting buildings you might ever find. It has no adornments and it is just a solid beige color. However, i...
27 Sep 202411min
The United States Supreme Court
The United States Constitution identifies three separate branches of government: the executive, the legislative, and the judicial. Each branch has a set of checks and balances, which, in theory, limit...
26 Sep 202414min
