Shipping Containers

Shipping Containers

What’s the most important change in business over the past 5 decades? Not computers. It’s the shipping container. Learn more in this listening lesson.

Post-It Notes

Post-It Notes

Who invented Post-It notes? It’s great story about creativity and hard work. Get the whole story in this listening lesson.

Printing Press

Printing Press

The printing press changed the way we learn and think. Here’s 1,500 years of printing history in one short Level 4 listening lesson.

Marie Curie

Marie Curie

Marie Curie was a great scientist who won two Noble prizes. Learn more about her amazing life in this Level 4 listening lesson.

Clouds

Clouds

What is a cloud? Get the answer in this Level 4 listening lesson.

Pizza

Pizza

Did really pizza come from Italy? That’s part of the story. Get the rest of the story in this Level 4 listening lesson.

Squeeze Bottles

Squeeze Bottles

Do you have a squeeze bottle that’s upside down? This Level 4 listening lesson is about the special lid on those bottles.

The History of Ketchup

The History of Ketchup

How much do you know about the ketchup on your fries? Listen to the Level 4 lesson and learn how ketchup started as a fish sauce.