Keystone Curious Podcast: America's 250th

The Oil Boom 26.03.2026 2:40 ↓

Why did oil make towns rich?  In this episode, we discover how oil changed towns very quickly.

The Cracked Symbol of Freedom 25.03.2026 2:36 ↓

Why is the Liberty Bell cracked?   In this episode, we learn the story behind one of America’s most famous symbols.

Franklin’s Kite Experiment 25.03.2026 2:50 ↓

Why did Benjamin Franklin fly a kite in a thunderstorm?  In this episode, we explore how one experiment helped people understand electricity.

Washington’s Smart Choice 25.03.2026 2:58 ↓

Why did Washington keep his army in Pennsylvania?  In this episode, we learn how one important decision helped the army stay strong.

The Colony That Grew the Food 25.03.2026 4:39 ↓

Why did other colonies depend on Pennsylvania for food? In this episode, we discover why food was so important in early America.

A Very Cold Winter at Valley Forge 25.03.2026 2:31 ↓

Why did soldiers nearly freeze at Valley Forge? In this episode, we learn what soldiers went through during a very hard winter.

Why Philadelphia Mattered 25.03.2026 2:18 ↓

Why did the British want Philadelphia so badly?  In this episode, we explore why one city was so important during the war.

Secret Messages and Spies 25.03.2026 2:40 ↓

How did spies hide messages without getting caught?  In this episode, we learn how spies shared secrets without being seen.

Why Armies Rested in Winter 25.03.2026 2:47 ↓

Why did armies stop moving during winter?  In this episode, we discover why soldiers didn’t fight as much in the winter.

The Battle of Gettysburg 25.03.2026 2:24 ↓

The Battle of Gettysburg Why did the Civil War’s biggest battle happen in a small town?  In this episode, we learn how a small town became part of a very big battle.

Pickett’s Charge 25.03.2026 3:41 ↓

Why did soldiers cross an open field at Gettysburg? In this episode, we explore a brave but dangerous moment in history.

A Turning Point in the War 25.03.2026 3:39 ↓

Why did one battle change the war? In this episode, we learn how one battle made a big difference.

Towns Along the Railroad 25.03.2026 2:19 ↓

Why did towns pop up wherever railroads stopped?  In this episode, we discover how trains helped towns grow.

Pittsburgh and Steel 25.03.2026 2:53 ↓

Why was Pittsburgh the steel capital of the world?  In this episode, we learn how one city helped build important things.

"Black Gold" 25.03.2026 2:01 ↓

Why did people call coal “black gold”? In this episode, we explore why coal was so valuable.

The First Oil Well 25.03.2026 3:01 ↓

Why did someone drill into the ground for oil?  In this episode, we learn how people first found oil in Pennsylvania.

The Slinky Story 25.03.2026 3:47 ↓

Why did a falling spring become a toy?  In this episode, we learn how a simple idea became a fun toy.

The First Smiley Face 🙂 25.03.2026 2:31 ↓

Why was the emoticon invented?  In this episode, we explore how people started showing feelings on computers.

The Jeep 25.03.2026 2:48 ↓

Why did the Army need a vehicle that could go anywhere? In this episode, we learn how a special vehicle helped soldiers.

Amish Life 25.03.2026 3:05 ↓

Why do Amish still use horse and buggies? In this episode, we learn about a group of people who live differently.

The Town Built on Chocolate 25.03.2026 3:38 ↓

Why is there a town named after chocolate? In this episode, we discover how chocolate helped create an entire town in Pennsylvania.