In this video we explore the amazing site of Machu Picchu and wonderful history.

Explore the Tuolumne River from its glacial headwaters at 13,000 feet down through Tuolumne Meadows and into the Grand Canyon of the Tuolumne. Scientists and rangers describe the power this river has on the landscape and on the people...

In this video, Jabzy brings us historical tidbits and unknown facts about the Cotton Famine

Mutual funds are an important option in saving for retirement, and most people don't know what they are--even if they already use them! Let's start at the beginning.

In this video, the teacher explains how the value of each digit in a decimal number is determined by its position, and demonstrates this concept with examples. By the end of the lesson, students will be able to write numbers to the...

In this video, Jabzy brings us historical tidbits and unknown facts about the First Gulf War

This video highlights the significance of Thaipusam, which is observed by Hindu communities worldwide. The video mentions that Thaipusam is dedicated to Lord Murugan, the Hindu God of War, and takes place over three days during the full...

In this video, students learn about the importance of place value in determining the value of digits in a number. They are introduced to the concept of base 10 blocks and a place value chart to help them understand how each digit's...

In this video, Jabzy brings us historical tidbits and unknown facts about the Warlord Era

Compare two multi-digit whole numbers in base-ten numerals.

In This Episode, Tyler Teaches Us About Penny Doubling a Day for 30 Days vs a Million Dollars

In this video, the teacher explains how to find the value of a digit using arrow cards and base 10 blocks. The teacher emphasizes the importance of understanding place value and demonstrates how to determine the value of each digit in a...

Algae fuel? It's entirely possible! Aerospace Engineer Bill Roberts, believes algae fuel will create an entire new industry and thousands of new jobs. Roberts and his team are genetically modifying a specific strain of algae to produce...

In this video, students learn how to represent numbers with zeros in numeric word and expanded form using base 10 blocks and place value charts. The importance of understanding the value of each digit based on its place within the number...

Learn how ice was harvested from the Illinois River system and distributed for home use before the invention of commercial refrigeration.

At first, the back room of plant physiologist Edgar Spalding's lab at the University of Wisconsin-Madison might be mistaken for an alien space ship set straight out of a Hollywood movie. It's a room bathed in low-red light with camera...

As the world figures out how to live with a rapidly changing climate, traditional knowledge from indigenous cultures could help us understand just how things are transforming.

A New York City-based startup that plans to create rocket fuel from carbon dioxide has released concept images showing what a refueling station for rockets on Mars could look like <br/>

This animated math video lesson is all about numbers 1 - 10,000. Students will love this engaging and interactive video that takes them step-by-step on how to analyze and interact with numbers in a fun way.

Selective breeding is also known as artificial selection. It is the process by which humans breed plants and animals for particular genetic characteristics. We have been doing this for thousands of years - ever since we first bred food...

The video is a lesson on how to compare numbers using the symbols less than, greater than, and equal to. It covers the importance of understanding the value of each digit based on its place within the number using a place value chart....

Ten years ago this week Kosovo became Europe's newest country. The seeds of its independence lie in the disintegration of Yugoslavia in the 1990s—a brutal series of wars that stirred up age-old nationalism and pitted neighbour against...

This song teaches the Chinese Dynasties for the AP history test

The Solar and Heliospheric Observatory, a joint mission between ESA (the European Space Agency) and NASA, was not designed to find comets — its original goal was to study the Sun from its deep core to the outer layers...